CN103966588A - Strip hot-rolling reinforcing steel bar pre-passivation liquid as well as using method and pre-passivated strip hot-rolling reinforcing steel bar - Google Patents
Strip hot-rolling reinforcing steel bar pre-passivation liquid as well as using method and pre-passivated strip hot-rolling reinforcing steel bar Download PDFInfo
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- CN103966588A CN103966588A CN201410204466.3A CN201410204466A CN103966588A CN 103966588 A CN103966588 A CN 103966588A CN 201410204466 A CN201410204466 A CN 201410204466A CN 103966588 A CN103966588 A CN 103966588A
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Abstract
The invention provides strip hot-rolling reinforcing steel bar pre-passivation liquid which is acidy aqueous liquor mainly containing 0.5 g/L-5 g/L Zn<2+>, 3 g/L-15 g/L PO3<3->, 0.1 g/L-0.8 g/L NO2<->, 4 g/L-8 g/L NO3<-> and 0.1 g/L-1.0 g/L Ni<->. The invention further provides a using method of strip hot-rolling reinforcing steel bar pre-passivation liquid and a strip hot-rolling reinforcing steel bar obtained by treating the strip hot-rolling reinforcing steel bar pre-passivation liquid.
Description
Technical field
The present invention relates to a kind of with hot rolling skin steel bar preassembling passivating solution, its using method and band hot rolling skin reinforcing bar with hot rolling skin steel bar preassembling passivating solution processing acquisition by this.
Background technology
Actual rebar surface is all band heat scale (being called for short hot rolling skin).Due to the existence of hot rolling skin, be very easy to cause reinforcing bar that corrosion occurs in storage.It is attractive in appearance that corrosion not only affects reinforcing bar, also can affect the work-ing life of Steel Concrete.
Summary of the invention
In sum, being necessary to provide a kind of is conducive to extend with the hot rolling skin reinforcing bar pre-passivating solution in work-ing life, its using method and by this, with hot rolling skin steel bar preassembling passivating solution, processes the band hot rolling skin reinforcing bar obtaining.
A band hot rolling skin steel bar preassembling passivating solution, described pre-passivating solution is an acidic aqueous solution, mainly containing concentration is that 0.5g/L is to 5g/L's
, concentration is that 3g/L is to 15g/L's
, concentration is that 0.1g/L is to 0.8g/L's
, concentration is that 4g/L is to 8g/L's
and concentration is that 0.1g/L is to 1.0g/L's
.
Use and above-mentionedly with hot rolling skin steel bar preassembling passivating solution, process the method with hot rolling skin reinforcing bar, comprising: S10, is soaked in pre-passivating solution by band hot rolling skin reinforcing bar; And S12, after being taken out, processes with clear water the band hot rolling skin reinforcing bar through immersion treatment, dry.
A pre-passivation band hot rolling skin reinforcing bar, comprises a protective membrane that is coated on reinforcing bar outside surface with hot rolling skin reinforcing bar and, and wherein, described protective membrane obtains by using above-mentioned pre-passivating solution to soak described band hot rolling skin reinforcing bar.
Compared with prior art, adopt band hot rolling skin steel bar preassembling passivating solution of the present invention to process the pre-passivation band hot rolling skin reinforcing bar obtaining, can be in natural atmosphere at least in half a year without the visible corrosion of naked eyes, thereby extend work-ing life of reinforcing bar.In addition, it is simple that band hot rolling skin steel bar preassembling passivating solution of the present invention also has composition, easily allotment and the feature such as with low cost.In addition, the using method of band hot rolling skin steel bar preassembling passivating solution of the present invention also has simple, is easy to the features such as industrialization.
Accompanying drawing explanation
The pre-passivating solution of use that Fig. 1 provides for the embodiment of the present invention is processed the schema with hot rolling skin reinforcing bar.
Fig. 2 processes the structural representation of the pre-passivation band hot rolling skin reinforcing bar obtaining for the pre-passivating solution of passing through of providing of the embodiment of the present invention.
Main element nomenclature
| Pre-passivation band hot rolling skin reinforcing bar | 100 |
| Band hot rolling skin reinforcing bar | 10 |
| Protective membrane | 12 |
| Silicane water-based hydrophober layer | 14 |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Below in conjunction with specific embodiment, technical scheme of the present invention is further explained in detail.
The embodiment of the present invention provides a kind of band hot rolling skin steel bar preassembling passivating solution, and it mainly contains concentration is that 0.5g/L is to 5g/L's
, concentration is that 3g/L is to 15g/L's
, concentration is that 0.1g/L is to 0.8g/L's
, concentration is that 4g/L is to 8g/L's
and concentration is that 0.1g/L is to 1.0g/L's
.Described pre-passivating solution is an acidic aqueous solution, and its pH value is preferably 2.0 to 3.0.
It is that 6.0g/L is to 10.0g/L's that described pre-passivating solution may further include concentration
and/or concentration is that 3.0g/L is to 8.0g/L's
.Described
and
main Function be to make rebar passivation film there is certain alkali resistance, thereby can make reinforcing bar when building, the alkali in can resistance to concrete.
The preparation of described pre-passivating solution one of can be in the following ways configuration: in the phosphoric acid that (1) is dissolved in dilution by the nitric acid of the metallic cation in above-mentioned pre-passivating solution or nitrite, with nitric acid, regulate PH; Or (2) be dissolved in strong phosphoric acid by zinc oxide, add afterwards the nitrate of nickel, part nitrite, regulates PH with nitric acid.The preparation method that is appreciated that above-mentioned pre-passivating solution is not limited to above-mentioned two kinds of modes.
Please refer to Fig. 1, the embodiment of the present invention also provides a kind of method with hot rolling skin reinforcing bar of using described pre-passivating solution to process, comprises the following steps:
S10: band hot rolling skin reinforcing bar is soaked in described pre-passivating solution; And
S12: rinse with clear water after the band hot rolling skin reinforcing bar through immersion treatment is taken out, naturally dry.
In step S10, described the time being soaked in described pre-passivating solution with hot rolling skin reinforcing bar is not limit, preferably, soak time is 5 minutes to 15 minutes.Described immersion process can carry out under normal temperature condition.
In step S12, after clear water rinses and naturally dries, described pre-passivating solution can be in the surface reaction of described reinforcing bar, thereby on the surface of described reinforcing bar, forms a resistance to atmosphere and alkaline-resisting protective membrane.
After step S12, may further include: described in use one silicane water-based hydrophober immersion or spray, be formed with the reinforcing bar of protective membrane, and naturally dry, thereby form a silicane water-based hydrophober layer on described protective membrane surface.Described silicane water-based hydrophober layer can make rebar surface hydrophobic, thereby can be for the stronger environment of the corrodibility such as marine atmosphere, industrial atmosphere.When being formed with the reinforcing bar of protective membrane described in using the immersion of silicane water-based hydrophober, described immersion or spray time are preferably 15 seconds to 30 seconds.
Please refer to Fig. 2, the embodiment of the present invention also provides a kind of pre-passivation band hot rolling skin reinforcing bar 100 that uses aforesaid method to obtain, and comprises a protective membrane 12 that is coated on reinforcing bar outside surface with hot rolling skin reinforcing bar 10 and.Described pre-passivation band hot rolling skin reinforcing bar 100 can further comprise a silicane water-based hydrophober layer 14, and this silicane water-based hydrophober layer 14 is coated on the outside surface of described protective membrane 12.
Embodiment 1:
The pH value of the pre-passivating solution of the present embodiment is 2.2, and it is composed as follows: concentration is 1.8g/L
, concentration is 4.6g/L
, concentration is 0.2g/L
, concentration is 5.0g/L
, concentration is 0.15g/L
and concentration is 8.0g/L
.
The present embodiment is further used this pre-passivating solution, under 25 degrees celsius, soaks a band hot rolling skin reinforcing bar 10 minutes, after taking-up, with clear water, cleans, and naturally dries.
Embodiment 2:
The pH value of the pre-passivating solution of the present embodiment is 2.0, and it is composed as follows: concentration is 3.8g/L
, concentration is 8.5g/L
, concentration is 0.4g/L
, concentration is 6.2g/L
, concentration is 0.5g/L
and concentration is 5.5g/L
.
The present embodiment is further used this pre-passivating solution, under 20 degrees celsius, soaks a band hot rolling skin reinforcing bar 15 minutes, after taking-up, with clear water, cleans, and naturally dries.
Embodiment 3:
The present embodiment is substantially the same manner as Example 1, and difference is, the reinforcing bar after embodiment 1 is processed was further soaked in mass concentration and is in 20% octyltri-ethoxysilane emulsion after 25 seconds, took out and naturally dried.
Embodiment 4:
The present embodiment is substantially the same manner as Example 2, and difference is, the reinforcing bar after processing in the octyltri-ethoxysilane emulsion spray embodiment 2 that is further 20% by mass concentration 30 seconds, and naturally dry.
Experiment showed, the band hot rolling skin reinforcing bar that adopts the present invention to process, in natural atmosphere at least in half a year without the visible corrosion of naked eyes.
In addition, those skilled in the art also can do other and change in spirit of the present invention, and these variations of doing according to spirit of the present invention certainly, all should be included in the present invention's scope required for protection.
Claims (10)
1. a band hot rolling skin steel bar preassembling passivating solution, is characterized in that, described pre-passivating solution is an acidic aqueous solution, and mainly containing concentration is that 0.5g/L is to 5g/L's
, concentration is that 3g/L is to 15g/L's
, concentration is that 0.1g/L is to 0.8g/L's
, concentration is that 4g/L is to 8g/L's
and concentration is that 0.1g/L is to 1.0g/L's
.
2. band hot rolling skin steel bar preassembling passivating solution as claimed in claim 1, is characterized in that, the pH value of described pre-passivating solution is 2.0 to 3.0.
3. band hot rolling skin steel bar preassembling passivating solution as claimed in claim 1, is characterized in that, described pre-passivating solution further comprises that concentration is that 6.0g/L is to 10.0g/L's
and/or concentration is that 3.0g/L is to 8.0g/L's
.
4. use pre-passivating solution as claimed in claim 1 to process the method with hot rolling skin reinforcing bar, comprise the following steps:
S10: band hot rolling skin reinforcing bar is soaked in described pre-passivating solution; And
S12: rinse with clear water after the band hot rolling skin reinforcing bar through immersion treatment is taken out, dry.
5. method as claimed in claim 4, is characterized in that, described soak time is 5 minutes to 15 minutes.
6. method as claimed in claim 4, is characterized in that, further uses the reinforcing bar that a silicane water-based hydrophober soaks or spray is processed through pre-passivating solution.
7. method as claimed in claim 6, is characterized in that, described use one silicane water-based hydrophober soaks or the time of the reinforcing bar that spray is processed through pre-passivating solution is 15 seconds to 30 seconds.
8. a pre-passivation band hot rolling skin reinforcing bar, is characterized in that, comprises a protective membrane that is coated on reinforcing bar outside surface with hot rolling skin reinforcing bar and, and described protective membrane obtains by using pre-passivating solution as claimed in claim 1 to soak described band hot rolling skin reinforcing bar.
9. pre-passivation band hot rolling skin reinforcing bar as claimed in claim 8, is characterized in that, further comprise a silicane water-based hydrophober layer, this silicane water-based hydrophober layer is coated on the outside surface of described protective membrane.
10. pre-passivation band hot rolling skin reinforcing bar as claimed in claim 9, is characterized in that, the material of described silicane water-based hydrophober layer is octyltri-ethoxysilane.
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|---|---|---|---|
| CN201410204466.3A CN103966588A (en) | 2014-05-15 | 2014-05-15 | Strip hot-rolling reinforcing steel bar pre-passivation liquid as well as using method and pre-passivated strip hot-rolling reinforcing steel bar |
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|---|---|---|---|
| CN201410204466.3A CN103966588A (en) | 2014-05-15 | 2014-05-15 | Strip hot-rolling reinforcing steel bar pre-passivation liquid as well as using method and pre-passivated strip hot-rolling reinforcing steel bar |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106435550A (en) * | 2016-11-24 | 2017-02-22 | 武汉理工大学 | Phosphorizing liquid, reinforcement surface normal-temperature phosphorizing film and preparation method thereof |
| CN107447210A (en) * | 2017-06-13 | 2017-12-08 | 泾县信达工贸有限公司 | A kind of process of surface treatment of electric rice cooker heated disk |
| CN111575693A (en) * | 2020-06-15 | 2020-08-25 | 武汉迪赛环保新材料股份有限公司 | Chromium-free pre-passivation solution for hot-dip galvanized steel pipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997030189A1 (en) * | 1996-02-19 | 1997-08-21 | Henkel Kommanditgesellschaft Auf Aktien | Zinc-phosphatizing method using low nickel and/or cobalt concentrations |
| WO2008054016A1 (en) * | 2006-10-31 | 2008-05-08 | Jfe Steel Corporation | Phosphate-treated galvanized steel sheet and method for producing the same |
| CN102418904A (en) * | 2011-12-16 | 2012-04-18 | 上海宏曲电子科技有限公司 | Single-light-source angle-form uniform surface light guiding device |
| CN102628166A (en) * | 2012-04-17 | 2012-08-08 | 常熟市旋力轴承钢管有限公司 | Phosphorizing liquid and phosphorizing method thereof for steel tube after being scoured |
| CN102747356A (en) * | 2012-07-30 | 2012-10-24 | 长沙学院 | Normal temperature calcium-manganese phosphorizing liquid |
-
2014
- 2014-05-15 CN CN201410204466.3A patent/CN103966588A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997030189A1 (en) * | 1996-02-19 | 1997-08-21 | Henkel Kommanditgesellschaft Auf Aktien | Zinc-phosphatizing method using low nickel and/or cobalt concentrations |
| WO2008054016A1 (en) * | 2006-10-31 | 2008-05-08 | Jfe Steel Corporation | Phosphate-treated galvanized steel sheet and method for producing the same |
| CN102418904A (en) * | 2011-12-16 | 2012-04-18 | 上海宏曲电子科技有限公司 | Single-light-source angle-form uniform surface light guiding device |
| CN102628166A (en) * | 2012-04-17 | 2012-08-08 | 常熟市旋力轴承钢管有限公司 | Phosphorizing liquid and phosphorizing method thereof for steel tube after being scoured |
| CN102747356A (en) * | 2012-07-30 | 2012-10-24 | 长沙学院 | Normal temperature calcium-manganese phosphorizing liquid |
Non-Patent Citations (3)
| Title |
|---|
| M.MANNA: ""Effect of steel substrate for phosphate treatment:An option to simulate TMT rebar surface"", 《CORROSION SCIENCE》 * |
| 常绍艳，晁兵: ""硅烷浸渍与湿面涂装工艺技术在嘉绍大桥上的设计应用"", 《技术与经验交流》 * |
| 张连鸿: ""锌锰系室温磷化液的研制"", 《材料保护》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106435550A (en) * | 2016-11-24 | 2017-02-22 | 武汉理工大学 | Phosphorizing liquid, reinforcement surface normal-temperature phosphorizing film and preparation method thereof |
| CN107447210A (en) * | 2017-06-13 | 2017-12-08 | 泾县信达工贸有限公司 | A kind of process of surface treatment of electric rice cooker heated disk |
| CN111575693A (en) * | 2020-06-15 | 2020-08-25 | 武汉迪赛环保新材料股份有限公司 | Chromium-free pre-passivation solution for hot-dip galvanized steel pipe |
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