CN106000830A - Construction process for steel structure fireproof coating in atmospheric region environment of harbor - Google Patents
Construction process for steel structure fireproof coating in atmospheric region environment of harbor Download PDFInfo
- Publication number
- CN106000830A CN106000830A CN201610344080.1A CN201610344080A CN106000830A CN 106000830 A CN106000830 A CN 106000830A CN 201610344080 A CN201610344080 A CN 201610344080A CN 106000830 A CN106000830 A CN 106000830A
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- construction
- coating
- spraying
- steel
- fireproof coating
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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
- 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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/584—No clear coat specified at least some layers being let to dry, at least partially, before applying the next layer
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
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Abstract
The invention provides a construction process for a steel structure fireproof coating in a harbor atmospheric region environment. The process comprises the specific steps that (1) operation preparation is made; (2) preparation and stirring of the fireproof coating are conducted, specifically, a powder coating is prepared according to the formula and stirred evenly at a low speed; (3) spray coating is conducted, specifically, the spray coating construction method, or the brush coating construction method, or the blade coating method or the spray coating, brush coating and blade coating combined construction method can be adopted, multiple passes of construction are carried out, the thickness during each pass of construction is controlled within 5-10 mm, the time interval between every two passes of construction is 24 h, and finally screeding treatment is carried out; and (4) inspection acceptance is carried out. According to the construction process for the steel structure fireproof coating in the harbor atmospheric region environment, the appropriate construction method is selected according to the influence factors such as humidity, chloride ions and dust, evaluation is made, and all construction results are tested and qualified under influence of various indexes. Compared with present poor fireproof coating construction quality, the daily maintenance cost is reduced, and the steel structure fireproof coating makes a contribution to harbor construction.
Description
Technical field
The present invention relates to a kind of steel construction protection technical field, particularly relate to steel knot in the atmospheric region environment of a kind of harbour
The construction technology of structure fireproof coating.
Background technology
High-rise and building the framework great majority of modernization use steel construction, although as the steel of supporting member
Material have intensity high, from heavy and light, load-bearing capacity is big, anti-seismic performance good, easy construction, profit pollution-free, capable of circulation
With etc. advantage, but, its heat conductivity is big, once runs into fire, and in 10-15min, its temperature can rise to
700 DEG C, considerably beyond the critical temperature of self, now, because the yield strength of steel drastically drops to room temperature
State about 40% and lose bearing capacity, building can be caused to collapse.At present, China's many employings steel structure fireproofing
Coating carries out coating protection to it.For the support column of high-rise civil building, general industry and civil buildings prop up
Holding the post of multilamellar, large-span steel Factory Building, petroleum chemical engineering etc., many employing fire endurances are more than 2h's
Fire-resistant coating for steel structure is protected.But for air harbour environment complex conditions (chloride ion, dust, humidity)
Under steel construction, general fireproof coating construction quality is poor, and coating quality under complex environment can be caused not conform to
Lattice, add ordinary maintenance and maintenance cost.
Summary of the invention
Present invention seek to address that the deficiencies in the prior art, and steel structure fireproofing in the atmospheric region environment of a kind of harbour is provided
The construction technology of coating.
The present invention for achieving the above object, by the following technical solutions: steel construction in the atmospheric region environment of a kind of harbour
The construction technology of fireproof coating, it concretely comprises the following steps:
(1) operation prepares
With plastic sheeting parcel ground and weight house, to steel beam column surface derusting application anti-corrosive primer, use pneumatics
The foreign material on steel beam column surface removed by machine；
(2) fireproof coating preparation and stirring
1) powdery paints is prepared by formula:
The spraying number of plies is formula when 1 layer: fireproof coating: high intensity stick: the anti-glue of steel: water=1:0.05:
0.17:0.8, consumption 17～20kg/m3；
The spraying number of plies is the formula of 2～3 layers: fireproof coating: the anti-glue of steel: water=1:0.17:0.85, consumption
17～20kg/m3；
2) by powdery paints: emulsion=1.0:(1.0～1.2) ratio mixing low rate mixing uniform, present nothing
Lump thick fluid state；
(3) spraying
Spraying method can carry out many with the construction method using spraying, trowelling, blade coating or three kinds of modes to combine
Constructing in road, per pass construction THICKNESS CONTROL is within 5～10mm, and per pass is spaced 24h, finally carries out floating place
Reason；
The parameter of spraying is: using lenticular spray gun, air pressure is 0.6～0.8MPa, and gun slot is a diameter of
6～10mm, spray gun is 40～60cm away from being coated the vertical dimension of component surface, construction environment during spraying
Temperature is more than 5 DEG C, and relative humidity is not more than 85%；
(4) inspect for acceptance
Use thickness measuring pin or calibrator detection coating layer thickness, use 0.75～1kg hand hammer detection coating hollowing, adopt
Fracture width is detected with ruler.
The described spraying number of plies is that the batching mode of powdery paints when 1 layer is: first pour fireproof coating into mixer
Add water stirring 2min, then adds high intensity stick and steel anti-glue stirring 5～8min.
The occupation mode of described powdery paints is: powdery paints is with joining, and the slurry prepared is finished in 1h.
The invention has the beneficial effects as follows: the present invention is a kind of for fire-resistant coating for steel structure in the atmospheric region environment of harbour
Construction technology, respectively to humidity, the influence factor such as chloride ion, dust selects suitable construction method and makes
Evaluating, under the influence of indices, achievements in construction detection is the most qualified, poor with current fireproof coating construction quality
Compare, save ordinary maintenance and maintenance cost, contribute for port construction cause.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
Embodiment 1: the construction technology of fire-resistant coating for steel structure, its concrete steps in the atmospheric region environment of a kind of harbour
For:
(1) operation prepares
With plastic sheeting parcel ground and weight house, to steel beam column surface derusting application anti-corrosive primer, use pneumatics
The foreign material on steel beam column surface removed by machine；
(2) fireproof coating preparation and stirring
1) powdery paints is prepared by formula:
The spraying number of plies is formula when 1 layer: fireproof coating: high intensity stick: the anti-glue of steel: water=1:0.05:
0.17:0.8, consumption 17kg/m3；
The spraying number of plies is the formula of 2 layers: fireproof coating: the anti-glue of steel: water=1:0.17:0.85, consumption 17kg/m3；
2) by powdery paints: the ratio mixing low rate mixing of emulsion=1.0:1.0 is uniform, presents without the thick stream that lumps
Body state；
(3) spraying
Spraying method can carry out multiple tracks with the construction method using spraying, trowelling, three kinds of modes of blade coating to combine
Construction, per pass construction THICKNESS CONTROL, at 5mm, per pass interval 24h, finally carries out floating process；
The parameter of spraying is: using lenticular spray gun, air pressure is 0.6MPa, a diameter of 6mm of gun slot,
Spray gun is 40cm away from being coated the vertical dimension of component surface, and construction environment temperature during spraying is 5 DEG C, phase
It is 85% to humidity；
(4) inspect for acceptance
Use thickness measuring pin or calibrator detection coating layer thickness, use 0.75kg hand hammer detection coating hollowing, use
Ruler detection fracture width.
The described spraying number of plies is that the batching mode of powdery paints when 1 layer is: first pour fireproof coating into mixer
Add water stirring 2min, then adds high intensity stick and steel anti-glue stirring 5min.
The occupation mode of described powdery paints is: powdery paints is with joining, and the slurry prepared is finished in 1h.
Embodiment 2: the construction technology of fire-resistant coating for steel structure, its concrete steps in the atmospheric region environment of a kind of harbour
For:
(1) operation prepares
With plastic sheeting parcel ground and weight house, to steel beam column surface derusting application anti-corrosive primer, use pneumatics
The foreign material on steel beam column surface removed by machine；
(2) fireproof coating preparation and stirring
1) powdery paints is prepared by formula:
The spraying number of plies is formula when 1 layer: fireproof coating: high intensity stick: the anti-glue of steel: water=1:0.05:
0.17:0.8, consumption 20kg/m3；
The spraying number of plies is the formula of 3 layers: fireproof coating: the anti-glue of steel: water=1:0.17:0.85, consumption 20kg/m3；
2) by powdery paints: the ratio mixing low rate mixing of emulsion=1.0:1.2 is uniform, presents without the thick stream that lumps
Body state；
(3) spraying
Spraying method can carry out multiple tracks with the construction method using spraying, trowelling, three kinds of modes of blade coating to combine
Construction, per pass construction THICKNESS CONTROL, at 10mm, per pass interval 24h, finally carries out floating process；
The parameter of spraying is: using lenticular spray gun, air pressure is 0.8MPa, a diameter of 10mm of gun slot,
Spray gun is 60cm away from being coated the vertical dimension of component surface, and construction environment temperature during spraying is 5 DEG C, phase
It is 85% to humidity；
(4) inspect for acceptance
Use thickness measuring pin or calibrator detection coating layer thickness, use 1kg hand hammer detection coating hollowing, use ruler
Detection fracture width.
The described spraying number of plies is that the batching mode of powdery paints when 1 layer is: first pour fireproof coating into mixer
Add water stirring 2min, then adds high intensity stick and steel anti-glue stirring 8min.
The occupation mode of described powdery paints is: powdery paints is with joining, and the slurry prepared is finished in 1h.
Embodiment 3: the construction technology of fire-resistant coating for steel structure, its concrete steps in the atmospheric region environment of a kind of harbour
For:
(1) operation prepares
With plastic sheeting parcel ground and weight house, to steel beam column surface derusting application anti-corrosive primer, use pneumatics
The foreign material on steel beam column surface removed by machine；
(2) fireproof coating preparation and stirring
1) powdery paints is prepared by formula:
The spraying number of plies is formula when 1 layer: fireproof coating: high intensity stick: the anti-glue of steel: water=1:0.05:
0.17:0.8, consumption 18kg/m3；
The spraying number of plies is the formula of 2 layers: fireproof coating: the anti-glue of steel: water=1:0.17:0.85, consumption 19kg/m3；
2) by powdery paints: the ratio mixing low rate mixing of emulsion=1.0:1.1 is uniform, presents without the thick stream that lumps
Body state；
(3) spraying
Spraying method can use the construction method of spraying, carries out multiple tracks construction, and per pass construction THICKNESS CONTROL exists
7mm, per pass interval 24h, finally carry out floating process；
The parameter of spraying is: using lenticular spray gun, air pressure is 0.7MPa, a diameter of 8mm of gun slot,
Spray gun is 50cm away from being coated the vertical dimension of component surface, and construction environment temperature during spraying is 7 DEG C, phase
It is 80% to humidity；
(4) inspect for acceptance
Use thickness measuring pin or calibrator detection coating layer thickness, use 0.85kg hand hammer detection coating hollowing, use
Ruler detection fracture width.
The described spraying number of plies is that the batching mode of powdery paints when 1 layer is: first pour fireproof coating into mixer
Add water stirring 2min, then adds high intensity stick and steel anti-glue stirring 6min.
The occupation mode of described powdery paints is: powdery paints is with joining, and the slurry prepared is finished in 1h.
Above the present invention is exemplarily described, it is clear that the present invention implements and do not limited by aforesaid way
System, as long as have employed method design and the various improvement that carry out of technical scheme of the present invention, or the most improved directly
It is applied to other occasion, all within protection scope of the present invention.
Claims (3)
1. the construction technology of fire-resistant coating for steel structure in a harbour atmospheric region environment, it is characterised in that its tool
Body step is:
(1) operation prepares
With plastic sheeting parcel ground and weight house, to steel beam column surface derusting application anti-corrosive primer, use pneumatics
The foreign material on steel beam column surface removed by machine；
(2) fireproof coating preparation and stirring
1) powdery paints is prepared by formula:
The spraying number of plies is formula when 1 layer: fireproof coating: high intensity stick: the anti-glue of steel: water=1:0.05:
0.17:0.8, consumption 17～20kg/m3；
The spraying number of plies is the formula of 2～3 layers: fireproof coating: the anti-glue of steel: water=1:0.17:0.85, consumption
17～20kg/m3；
2) by powdery paints: emulsion=1.0:(1.0～1.2) ratio mixing low rate mixing uniform, present nothing
Lump thick fluid state；
(3) spraying
Spraying method can carry out many with the construction method using spraying, trowelling, blade coating or three kinds of modes to combine
Constructing in road, per pass construction THICKNESS CONTROL is within 5～10mm, and per pass is spaced 24h, finally carries out floating place
Reason；
The parameter of spraying is: using lenticular spray gun, air pressure is 0.6～0.8MPa, and gun slot is a diameter of
6～10mm, spray gun is 40～60cm away from being coated the vertical dimension of component surface, construction environment during spraying
Temperature is more than 5 DEG C, and relative humidity is not more than 85%；
(4) inspect for acceptance
Use thickness measuring pin or calibrator detection coating layer thickness, use 0.75～1kg hand hammer detection coating hollowing, adopt
Fracture width is detected with ruler.
The construction work of fire-resistant coating for steel structure in the atmospheric region environment of a kind of harbour the most according to claim 1
Skill, it is characterised in that the described spraying number of plies is that the batching mode of powdery paints when 1 layer is: first fire prevention is coated with
Material pour into mixer add water stirring 2min, then add high intensity stick and steel anti-glue stirring 5～8min.
The construction work of fire-resistant coating for steel structure in the atmospheric region environment of a kind of harbour the most according to claim 2
Skill, it is characterised in that the occupation mode of described powdery paints is: powdery paints with joining, the slurry prepared
It is finished in 1h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610344080.1A CN106000830A (en) | 2016-05-20 | 2016-05-20 | Construction process for steel structure fireproof coating in atmospheric region environment of harbor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610344080.1A CN106000830A (en) | 2016-05-20 | 2016-05-20 | Construction process for steel structure fireproof coating in atmospheric region environment of harbor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106000830A true CN106000830A (en) | 2016-10-12 |
Family
ID=57096480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610344080.1A Pending CN106000830A (en) | 2016-05-20 | 2016-05-20 | Construction process for steel structure fireproof coating in atmospheric region environment of harbor |
Country Status (1)
| Country | Link |
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| CN (1) | CN106000830A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107377339A (en) * | 2017-07-19 | 2017-11-24 | 温州建设集团有限公司 | A kind of thicker fire-resistant coating for steel structure top and bottom process spray coating constructing technique |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104140707A (en) * | 2013-05-12 | 2014-11-12 | 河南奥威斯科技集团有限公司 | Thick section steel structure fireproof coating and construction technology thereof |
-
2016
- 2016-05-20 CN CN201610344080.1A patent/CN106000830A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104140707A (en) * | 2013-05-12 | 2014-11-12 | 河南奥威斯科技集团有限公司 | Thick section steel structure fireproof coating and construction technology thereof |
Non-Patent Citations (2)
| Title |
|---|
| 勒晓勇: "《钢结构工程》", 31 August 2013 * |
| 王景文: "《钢结构工程施工与质量验收实用手册》", 30 September 2003 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107377339A (en) * | 2017-07-19 | 2017-11-24 | 温州建设集团有限公司 | A kind of thicker fire-resistant coating for steel structure top and bottom process spray coating constructing technique |
| CN107377339B (en) * | 2017-07-19 | 2019-02-15 | 温州建设集团有限公司 | A kind of thicker fire-resistant coating for steel structure top and bottom process spray coating constructing technique |
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |
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| RJ01 | Rejection of invention patent application after publication |