CN104109828B - A kind of power transmission line overhead ground wire hot dip galvanized zinc alloy coating and preparation technology thereof - Google Patents
A kind of power transmission line overhead ground wire hot dip galvanized zinc alloy coating and preparation technology thereof Download PDFInfo
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 238000005516 engineering process Methods 0.000 title claims abstract description 20
- 239000011248 coating agent Substances 0.000 title abstract description 28
- 238000000576 coating method Methods 0.000 title abstract description 28
- 229910001297 Zn alloy Inorganic materials 0.000 title description 3
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 83
- 239000000956 alloy Substances 0.000 claims abstract description 83
- 238000007747 plating Methods 0.000 claims abstract description 80
- 239000011701 zinc Substances 0.000 claims abstract description 38
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 32
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 18
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 14
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 14
- 238000005406 washing Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 27
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 17
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- 229910052684 Cerium Inorganic materials 0.000 claims description 10
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052746 lanthanum Inorganic materials 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000007654 immersion Methods 0.000 claims description 8
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 8
- 239000011780 sodium chloride Substances 0.000 claims description 8
- 239000011592 zinc chloride Substances 0.000 claims description 8
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 3
- 229910052779 Neodymium Inorganic materials 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 claims description 3
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 3
- 229910052727 yttrium Inorganic materials 0.000 claims description 3
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 abstract description 35
- 238000001816 cooling Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 description 24
- 238000005554 pickling Methods 0.000 description 16
- 238000009713 electroplating Methods 0.000 description 13
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 238000005275 alloying Methods 0.000 description 6
- 238000007598 dipping method Methods 0.000 description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 5
- 229910001122 Mischmetal Inorganic materials 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000003125 aqueous solvent Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005246 galvanizing Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910000611 Zinc aluminium Inorganic materials 0.000 description 2
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000005244 galvannealing Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- YJVLWFXZVBOFRZ-UHFFFAOYSA-N titanium zinc Chemical compound [Ti].[Zn] YJVLWFXZVBOFRZ-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Abstract
The present invention relates to a kind of power transmission line overhead ground wire alloy layer and preparation technology thereof, its feature is that described alloy layer is prepared from by following component by weight percentage: aluminum 3～8%, nickel 0.01～3%, rare earth 0.02～3%, surplus is zinc；The power transmission line overhead ground wire alloy layer processed by acidity washing, helped plating, hot-dip cooling to prepare can be effectively improved the anti-corrosion life that power transmission line overhead ground wire is hot-dip coated, can ensure that while not improving thickness of coating, make the anti-corrosion life pure zinc coating of more industrial hot-dip improve more than 2 times.
Description
[technical field]
The present invention relates to into a kind of hot-dip technology, a kind of power transmission line overhead ground wire hot dip galvanized zinc alloy coating and preparation technology thereof.
[background technology]
The loss that the corrosion failure of iron and steel is brought is huge, has data to show, only annual steel corrosion loss about 500,000,000,000 RMB as a example by China, account for the 6% of gross national product, it can be seen that, material and the waste of the energy that the corrosion of iron and steel causes are great.And the aerial earth wire of transmission line of electricity is chronically exposed in atmospheric environment, it is easily subject to the corrosion of the acid deep-etching gases such as the such as industrial waste gas such as sulfide, oxynitride, and replacing power transmission line overhead ground wire also needs to have a power failure, the seriousness of economic loss is self-evident.The anti-corrosion measure that transmission line of electricity uses at present is mainly galvanizing.This way can be effectively improved decay resistance and the decay resistance of aerial earth wire galvanizing of iron and steel, extends the Years Of Service of transmission line of electricity, reduces steel loss, reduces maintenance and operation cost.
But conventional thermal galvannealing exposed day by day zinc consumption is big, the shortcomings such as residue cadmia is many, so having used the method adding alloying element in zinc liquid to improve or immersion at present, deposit a lamination gold plate at steel surface while improving decay resistance, thickness of coating can be reduced again, for improving the anti-corrosion life of hot-dip component, reduce plating solution consumption, economize on resources and energy consumption, reduce discharge, there is extraordinary economic benefit and social benefit.Existing alloy layer has zinc aluminum alloy coating, zn-ni alloy deposits, zinc titanium alloy coating etc., though this measure obtains certain effect in terms of improving coating anti-corrosion life, but due to high cost, technology the most still imperfection, so large-scale promotion and application could not be obtained.
A kind of it is applicable to the long-effective corrosion of power transmission line overhead ground wire, the technical and more preferable alloy layer of economy accordingly, it would be desirable to research and develop.
[summary of the invention]
Present invention aims to the drawbacks described above that prior art exists, a kind of power transmission line overhead ground wire alloy layer is provided, this alloy layer can be effectively improved the anti-corrosion life that power industry power transmission line overhead ground wire is hot-dip coated, can ensure that while not improving thickness of coating, make anti-corrosion life more industrial hot dipping pure zinc plating improve more than 2 times.
Another object of the present invention is to, it is provided that the preparation technology of a kind of power transmission line overhead ground wire alloy layer.
The invention provides the alloy layer of a kind of power transmission line overhead ground wire, alloy layer includes that metal plating liquid and the quickening liquid prepared by following component by mass percentage prepare:
Metal plating liquid includes: aluminum 3～8%, nickel 0.01～3%, rare earth 0.02～3%, surplus is zinc；
Quickening liquid is 300～350 grams of ZnCl2, 10～15 grams of NaCl, 20～25 grams of NaF and 1 liter of water is prepared from.
The alloy layer that the present invention provides is prepared from by following component by weight percentage:
Aluminum 5～8%, nickel 0.01～1%, rare earth 0.05～2% surplus are zinc.
The alloy layer that the present invention provides is prepared from by following component by weight percentage:
Aluminum 5～6%, nickel 0.02～2%, rare earth 0.2～3%, surplus is zinc.
The alloy layer middle rare earth that the present invention provides is from, the combination of any one or more selected cerium, yttrium, gadolinium and neodymium, selects as more excellent when lanthanum and/or cerium.
Present invention also offers the preparation technology of a kind of alloy layer, comprise the following steps:
1) acid washing plating piece
With concentration be 10～20% hydrochloric acid plating piece wash and wash after 5～10 minutes；
2) plating is helped
In 30～90 DEG C to step 1) process the plating piece that obtains in quickening liquid, help plating 10～30 seconds；
3) hot-dip
The alloy layer component mixing that the present invention is provided, melted at 465～475 DEG C prepare metal plating liquid, will be through step 2) plating piece that processes dries at 120～150 DEG C 10～30s whiten to this plating piece surface after described alloy electroplating bath proposes to cool down from aluminium alloy after immersion plating 20～50s.
In the preparation technology that the present invention provides, quickening liquid is 320～350 grams of ZnCl2, 10～15 grams of NaCl, 20～25 grams of NaF and 1 liter of water is prepared from.
The present invention provide step of preparation process 2) in help plating temperature be 80 DEG C, helping the plating time is 20s.
In the preparation technology that the present invention provides, the container of hot-dip uses ceramic zinc boiler.
Each alloy element action mechanism that the present invention uses is as follows:
Zinc: the primary alloy constituent of alloy layer, as corrosion anode during corrosion, by sacrificing self to protect electric power line pole tower parent metal；Aluminum: micro alloying element; aluminium element can form intermetallic compound with zinc in this content range; form the medium adhering to coating; make the Adhesion enhancement of coating; and in alloy layer crystal growing process; aluminum oxide film protection alloy layer can be formed at coating surface, improve the corrosion fatigue life of overall coating；Magnesium: microalloy element, magnesium elements can improve coating decay resistance in this content range.
Nickel: microalloy element, adding Ni in Zn bathes can suppress the Fe/Zn containing Si steel to react, improve zinc bath mobility and product quality simultaneously, nickel in alloy layer surface in humid air forms the oxide-film of densification simultaneously, alloy layer not only can be stoped to continue oxidized, and can alkaline-resisting, the corrosion of saline solution.
Rare earth (La and Ce mischmetal): microalloy element, owing to rare earth has prominent chemism and the strongest affinity, make zinc-aluminium melting viscosity be greatly lowered, improve zinc liquid mobility, reduce zinc liquid angle of wetting and surface tension, improve coating uniformity.And the impurity in plating solution is purified, thus improve the wellability to steel matrix.Making alloy layer form the coating that light is complete, surface corrosion resistance, formability are greatly improved and improve.
The purer zinc of corrosion resistance of alloy is higher, or immersion is simple, existing hot-galvanizing equipment can realize commercial production demand completely, using Huang rust time of occurrence as alloy layer failure criteria, under conditions of thickness of coating is identical, the corrosion resistance of alloy layer of the present invention improves 2 times compared with the pure zinc coating of hot dip；Weightless as the corrosion-resistant appraisal standards of alloy layer using salt spray test, then, under conditions of thickness of coating is identical, the corrosion resistance pure zinc coating of more industrial hot dip of the alloy layer of the present invention improves 2 times.
Compared with prior art, the present invention provides a kind of power transmission line overhead ground wire alloy layer and preparation technology thereof have the advantage that
1, alloy layer can be effectively improved the anti-corrosion life that power industry power transmission line overhead ground wire is hot-dip coated；
2 and power transmission line overhead ground wire can be made to have the long-effective corrosion life-span under complex corrosion environmental condition；
3, can ensure that while not improving thickness of coating, make anti-corrosion life more industrial hot dipping pure zinc plating improve 1 times；
4, preparation technology is simple, low cost.
The present invention relates to a kind of power transmission line overhead ground wire alloy layer and preparation technology thereof, its feature is that described alloy layer is prepared from by following component by weight percentage: aluminum 3～8%, nickel 0.01～3%, rare earth 0.02～3%, surplus is zinc；Process through acidity washing, help plating, hot-dip to prepare.This alloy layer can be effectively improved the anti-corrosion life that power transmission line overhead ground wire is hot-dip coated, it is ensured that while not improving thickness of coating, makes the anti-corrosion life pure zinc coating of more industrial hot-dip improve more than 2 times.
[detailed description of the invention]
Below by way of detailed description of the invention, a kind of power transmission line overhead ground wire alloy layer and the preparation technology thereof that provide the present invention do further more detailed description.
Embodiment 1
The electric power line pole tower alloy layer of the present embodiment, wherein alloy layer is prepared from by following alloy by weight percentage:
Aluminum 5%, nickel 0.03%, lanthanum and cerium mischmetal 0.15%, surplus is zinc.Weightless as the corrosion-resistant appraisal standards of alloy layer using salt spray test, under conditions of thickness of coating is identical, improve 2.6 times by the alloy layer corrosion resistance more industrial hot dipping pure zinc plating of this percentage by weight.
The preparation technology of the electric power line pole tower alloy layer of this example, comprises the steps of
1) pickling washing plating piece:
The hydrochloric acid using concentration to be 10% carries out the pickling before plating piece hot-dip, pickling time is 20 minutes, washes after pickling:
2) plating is helped
By step 1) steel wire that obtains is placed in quickening liquid, carries out helping plating at a temperature of 70 DEG C, and helping the plating time is 45 seconds；
3) hot-dip
By above-mentioned component mixing by weight percentage, melt at a temperature of 465 DEG C, obtain alloy electroplating bath, by step 2) steel wire that obtains dries 40s at a temperature of 130 DEG C, immediately plating piece is put in alloy electroplating bath after specimen surface whitens, under the conditions of control alloy electroplating bath temperature is 470 DEG C, after immersion plating 50s, immediately sample is proposed aluminium alloy and carries out natural cooling.
Wherein, step 2) help the preparation of quickening liquid in plating: by 350 grams of ZnCl2, 10 grams of NaCl, 25 grams of NaF add in 1 liter of aqueous solvent, are uniformly mixed.
The alloying component (wt%) of table 1 plating solution.
| Zn | Al | Ni | Rare earth element |
| Surplus | 5 | 0.03 | 0.15 |
Embodiment 2
The electric power line pole tower alloy layer of the present embodiment, wherein alloy layer is prepared from by following alloy by weight percentage:
Aluminum 6%, nickel 0.02%, lanthanum and cerium mischmetal 0.1%, surplus is zinc.Weightless as the corrosion-resistant appraisal standards of alloy layer using salt spray test, under conditions of thickness of coating is identical, improve 2.8 times by the alloy layer corrosion resistance more industrial hot dipping pure zinc plating of this percentage by weight.
The preparation technology of the electric power line pole tower alloy layer of this example, comprises the steps of
1) pickling washing plating piece:
The hydrochloric acid using concentration to be 15% carries out the pickling before plating piece hot-dip, pickling time is 25 minutes, washes after pickling:
2) plating is helped
By step 1) plating piece that obtains is placed in quickening liquid, carries out helping plating at a temperature of 80 DEG C, and helping the plating time is 55 seconds；
3) hot-dip
By above-mentioned component mixing by weight percentage, melt at a temperature of 470 DEG C, obtain alloy electroplating bath, by step 2) plating piece that obtains dries 30s at a temperature of 140 DEG C, immediately plating piece is put in alloy electroplating bath after specimen surface whitens, under the conditions of control alloy electroplating bath temperature is 465 DEG C, after immersion plating 80s, immediately sample is proposed aluminium alloy and carries out natural cooling.
Wherein, step 2) help the preparation of quickening liquid in plating: by 300 grams of ZnCl2, 15 grams of NaCl, 20 grams of NaF add in 1 liter of aqueous solvent, are uniformly mixed.
The alloying component (wt%) of table 2 plating solution.
| Zn | Al | Ni | Rare earth element |
| Surplus | 6 | 0.02 | 0.1 |
Embodiment 3
The electric power line pole tower alloy layer of the present embodiment, wherein alloy layer is prepared from by following alloy by weight percentage:
Aluminum 3%, nickel 0.05%, lanthanum and cerium mischmetal 0.2%, surplus is zinc.Weightless as the corrosion-resistant appraisal standards of alloy layer using salt spray test, under conditions of thickness of coating is identical, improve 2.3 times by the alloy layer corrosion resistance more industrial hot dipping pure zinc plating of this percentage by weight.
The preparation technology of the electric power line pole tower alloy layer of this example, comprises the steps of
1) pickling washing plating piece:
The hydrochloric acid using concentration to be 15% carries out the pickling before plating piece hot-dip, pickling time is 30 minutes, washes after pickling:
2) plating is helped
By step 1) plating piece that obtains is placed in quickening liquid, carries out helping plating at a temperature of 90 DEG C, and helping the plating time is 55 seconds；
3) hot-dip
By above-mentioned component mixing by weight percentage, melt at a temperature of 470 DEG C, obtain alloy electroplating bath, by step 2) plating piece that obtains dries 35s at a temperature of 140 DEG C, immediately plating piece is put in alloy electroplating bath after specimen surface whitens, under the conditions of control alloy electroplating bath temperature is 470 DEG C, after immersion plating 60s, immediately sample is proposed aluminium alloy and carries out natural cooling.
Wherein, step 2) help the preparation of quickening liquid in plating: by 320 grams of ZnCl2, 12 grams of NaCl, 22 grams of NaF add in 1 liter of aqueous solvent, are uniformly mixed.
The alloying component (wt%) of table 3 plating solution.
| Zn | Al | Ni | Rare earth element |
| Surplus | 3 | 0.05 | 0.2 |
Embodiment 4
The electric power line pole tower alloy layer of the present embodiment, wherein alloy layer is prepared from by following alloy by weight percentage:
Aluminum 8%, nickel 0.05%, lanthanum and cerium mischmetal 0.2%, surplus is zinc.Weightless as the corrosion-resistant appraisal standards of alloy layer using salt spray test, under conditions of thickness of coating is identical, improve 2.4 times by the alloy layer corrosion resistance more industrial hot dipping pure zinc plating of this percentage by weight.
The preparation technology of the electric power line pole tower alloy layer of this example, comprises the steps of
1) pickling washing plating piece:
The hydrochloric acid using concentration to be 20% carries out the pickling before plating piece hot-dip, pickling time is 15 minutes, washes after pickling:
2) plating is helped
By step 1) plating piece that obtains is placed in quickening liquid, carries out helping plating at a temperature of 40 DEG C, and helping the plating time is 45 seconds；
3) hot-dip
By above-mentioned component mixing by weight percentage, melt at a temperature of 470 DEG C, obtain alloy electroplating bath, by step 2) plating piece that obtains dries 25s at a temperature of 125 DEG C, immediately plating piece is put in alloy electroplating bath after specimen surface whitens, under the conditions of control alloy electroplating bath temperature is 468 DEG C, after immersion plating 20s, immediately sample is proposed aluminium alloy and carries out natural cooling.
Wherein, step 2) help the preparation of quickening liquid in plating: by 330 grams of ZnCl2, 11 grams of NaCl, 22 grams of NaF add in 1 liter of aqueous solvent, are uniformly mixed.
The alloying component (wt%) of table 4 plating solution.
| Zn | Al | Ni | Rare earth element |
| Surplus | 8 | 0.05 | 0.2 |
Although describing the present invention in conjunction with preferred embodiment, but the invention is not limited in the middle of above-described embodiment, it should be appreciated that under the guiding of present inventive concept, those skilled in the art can carry out various modifications and improvements, and claims summarise the scope of the present invention.
Claims (7)
1. the alloy layer of a power transmission line overhead ground wire, it is characterised in that metal plating liquid and quickening liquid that described alloy layer is prepared by the following component included by mass percentage prepare:
Described metal plating liquid includes: aluminum 3～8%, nickel 0.01～3%, rare earth 0.02～3%, surplus is zinc；
Described quickening liquid is 300～350 grams of ZnCl2, 10～15 grams of NaCl, 20～25 grams of NaF and 1 liter of water is prepared from；
Described rare earth is any one or more combination selected from lanthanum, cerium, yttrium, gadolinium and neodymium；
The preparation technology of described alloy layer, comprises the following steps:
1) acid washing plating piece
With concentration be 10～20% hydrochloric acid plating piece washed wash after 5～10 minutes；
2) plating is helped
To step 1) process the plating piece that obtains and help plating 10～30 seconds in 30～90 DEG C in quickening liquid；
3) hot-dip
The component of alloy layer is mixed, melted at 465～475 DEG C prepare metal plating liquid, will be through step 2) plating piece that processes dries at 120～150 DEG C 10～30s whiten to this plating piece surface after propose to cool down from metal plating liquid after immersion plating 20～50s in described metal plating liquid.
Alloy layer the most according to claim 1, it is characterised in that described alloy layer is prepared from by following component by weight percentage:
Aluminum 5～8%, nickel 0.01～1%, rare earth 0.05～2%, surplus is zinc.
Alloy layer the most according to claim 1, it is characterised in that described alloy layer is prepared from by following component by weight percentage:
Aluminum 5～6%, nickel 0.02～2%, rare earth 0.2～3%, surplus is zinc；
Described rare earth is any one or more combination selected from lanthanum, cerium, yttrium, gadolinium and neodymium.
Alloy layer the most according to claim 1, it is characterised in that described rare earth is lanthanum and/or cerium.
Alloy layer the most according to claim 1, it is characterised in that described quickening liquid is 320～350 grams of ZnCl2, 10～15 grams of NaCl, 20～25 grams of NaF and 1 liter of water is prepared from.
Alloy layer the most according to claim 1, it is characterised in that described step 2) in help plating temperature be 80 DEG C, helping the plating time is 20s.
Alloy layer the most according to claim 1, it is characterised in that the container of described hot-dip is ceramic zinc boiler.
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| CN104911522B (en) * | 2015-06-09 | 2017-10-31 | 武汉钢铁有限公司 | A kind of method of wire galvanization |
| CN105568059A (en) * | 2016-01-08 | 2016-05-11 | 国网智能电网研究院 | High-corrosion-resistance overhead ground wire alloy plating layer and preparing process thereof |
| CN105803370A (en) * | 2016-03-23 | 2016-07-27 | 全球能源互联网研究院 | Steel core line anti-corrosion alloy coating and preparing method thereof |
| CN105734343A (en) * | 2016-03-31 | 2016-07-06 | 江苏中远稀土新材料有限公司 | Rare-earth multi-element alloy coating and hot-dip galvanizing method thereof |
| CN109136597A (en) * | 2018-09-13 | 2019-01-04 | 安阳工学院 | One kind improving the corrosion proof method of as cast condition zinc-aluminum eutectic alloy by addition Nd |
| CN113528875A (en) * | 2021-06-29 | 2021-10-22 | 海西华汇化工机械有限公司 | Method for adding alloy elements for hot galvanizing of steel |
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|---|---|---|---|---|
| CN1161383A (en) * | 1996-12-10 | 1997-10-08 | 马鞍山市鼎泰金属制品公司 | Rare-earth, zinc and aluminium alloy coating material, and art for hot-dip plating |
| CN1271783A (en) * | 2000-05-12 | 2000-11-01 | 朴永华 | Hot-dipping galvanized alloy and its preparing process |
| JP3644429B2 (en) * | 2001-12-03 | 2005-04-27 | 竪川線材株式会社 | Ultra-thick galvanized steel wire for overhead power transmission line and its manufacturing method |
| CN100497717C (en) * | 2007-07-18 | 2009-06-10 | 南京大吉铁塔制造有限公司 | Hot dip galvanizing method for steel pieces |
| CN101775567B (en) * | 2010-02-08 | 2012-02-22 | 宁波沪甬电力器材股份有限公司 | Tombarthite zinc nickel magnesium alloy ingot for hot dip coating and preparation method thereof |
| CN101935815A (en) * | 2010-09-01 | 2011-01-05 | 中国电力科学研究院 | Transmission line fastening piece alloy coating and preparation process thereof |
| CN102312131B (en) * | 2011-09-24 | 2013-03-27 | 葫芦岛锌业股份有限公司 | Alloy for hot-dip plating and production method |
| CN102534449B (en) * | 2012-03-15 | 2013-08-28 | 南京大吉铁塔制造有限公司 | Hot-dip galvanizing method for Q460 steel pipe |
| CN103160765B (en) * | 2013-02-20 | 2016-08-31 | 国网智能电网研究院 | A kind of transmission line of electricity steel beam column hot dip galvanized zinc alloy coating and preparation technology thereof |
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2014
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