CN101736228A - Method for carrying out immersion plating on marine climate-resisting engineering parts - Google Patents
Method for carrying out immersion plating on marine climate-resisting engineering parts Download PDFInfo
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- CN101736228A CN101736228A CN200910262714A CN200910262714A CN101736228A CN 101736228 A CN101736228 A CN 101736228A CN 200910262714 A CN200910262714 A CN 200910262714A CN 200910262714 A CN200910262714 A CN 200910262714A CN 101736228 A CN101736228 A CN 101736228A
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Abstract
The invention relates to a method for carrying out immersion plating on marine climate-resisting engineering parts. The method comprises the following steps: 1, carrying out surface derusting treatment on parts; 2, carrying out surface activation treatment on the parts; 3, putting the parts in an atmosphere protection furnace for preheating; and 4, immersing the preheated parts in plating solution and rotating the parts during immersion, wherein the plating solution mainly comprises Zn, Al, Si, RE and microalloy elements which may be one or more of sorts of Mg, Ti and Ni; and the plating solution comprises the compositions in percentage by mass: 35 to 58 percent of Zn, 0.3 to 4.0 percent of Si, 0.02 to 1.0 percent of RE, 001 to 6.0 percent of microalloy elements, and the balance of Al. The parts treated by the hot dip plating technology can obtain excellent erosion and scour resistance under marine climate conditions.
Description
Technical field
The present invention relates to a kind of method of marine climate resistant engineering component being carried out immersion plating.
Background technology
Along with rapid development of science and technology, the engineer equipment that is applied in coastal waters and the ocean is more and more, its service condition press ISO 9225 environmental evaluation standards generally＞the C5 level, belong to extreme environment.Described ambient atmosphere is rainy, high temperature, many salt fogs and high wind stream, and exposed part will be subjected to intensive atomospheric corrosion, galvanic corrosion and the comprehensive action of airflow scouring erosive, and the work-ing life of various steel construction is far below general landlocked outdoor environment.As one of the typical project of under the oceanic climate condition, being on active service equipment wind power plant, because wind power generating set is to utilize wind power generation, and in shoreline, offshore ocean, having abundant wind resource, it is that addressing is in inshore or offshore ocean that the construction of wind energy turbine set has significant proportion.Yet, because the external member of unit such as cabin, hood, pylon etc. directly are exposed in the extreme corrosion atmosphere, adopt conventional safeguard procedures, often only several months just produce serious corrosion, this has brought tremendous loss, and according to statistics, the loss of marine corrosion accounts for 1/3 of total corrosion loss, moreover, because the accident that marine corrosion brings especially can't counting loss.As one 5 ton ore Ship for Transporting Module of Japan in 1969, the sinking suddenly because corrosion shortness destroys.Therefore, strengthen corrosion control, reduce the loss of metallic substance, avoid equipment in ocean environment, to suffer too early or unexpected failure, very important strategic importance is arranged.
The fast development of modern surface engineering technology is for the corrosion prevention of steel surface provides multiple solution, as plating, electroless plating, thermospray, vapour deposition etc.Yet, electroplate and the coating of electroless plating too thin, generally have only several microns, and the hardness of coating own too low be difficult to resist contain the particle airflow scouring.Though thermospray has advantages such as coat-thickness is big, easy and simple to handle, the surface shape of guarded part, size control are difficult, are unsuitable for the part of arbitrary shape.And vapour deposition cost height, be difficult to handle the big area part, and the thin thickness of coating own, there is pin hole and Cl in salt fog
-Erosion under quick corrosion can take place.Therefore, research and develop the effective novel process of handling at the marine climate resistant engineering component surface anticorrosion, become active demand.
Summary of the invention
At these problems in the prior art, the invention provides a kind of method that marine climate resistant engineering component is carried out immersion plating, thereby thoroughly solved the problem that exists in the present technology.
The method that marine climate resistant engineering component is carried out immersion plating provided by the invention comprises:
The first step: piece surface is carried out processing of rust removing;
Second step: part is carried out surface activation process;
The 3rd step: part is placed on preheating in the atmosphere protection stove;
The 4th step: will immerse through the part of preheating in the plating bath, in the immersion processes part is imposed rotation, wherein said plating bath mainly is made up of Zn, Al, Si, RE and microalloy element, described microalloy element is selected from a kind of or several arbitrarily among Mg, Ti, the Ni, and each composition accounts for plating bath total mass per-cent: Zn:35～58%, Si:0.3～4.0%, RE:0.02～1.0%, the content that microalloy element is total: 0.01～6.0%, Al: surplus.
Preferably, wherein the processing of rust removing of the first step is first with after part cleaning, the oil removing, carries out processing of rust removing, rinsed with deionized water again by pickling.
Preferably, wherein the treatment temp of surface activation process is 40～60 ℃ in second step, and the time is 30～40min, and the prescription of the activation solution of described surface activation process is:
Ethylene glycol C
2H
6O
2600～900ml/L
Acid ammonium fluoride NH
4HF
225～45g/L
Nickelous chloride NiCl
2-6H
2O 10～30g/L
Boric acid H
3BO
320～60g/L
Lactic acid C
3H
6O
310～35ml/L
Acetic acid C
2H
4O
270～230ml/L.
Preferably, wherein in the 3rd step described part is placed in the atmosphere protection stove through 500～650 ℃ of preheatings 10～20 minutes.
Preferably, wherein will immerse in the plating bath submergence 1～5 minute through the part of preheating in the 4th step.
Preferably, wherein also added the nano-oxide particles toughener in the plating bath described in the 4th step, the content of described nano-oxide particles toughener accounts for total mass percent 0.01～1.0%.
Preferred, the median size of wherein said nano-oxide particles toughener is 15～60nm.
Preferred, wherein said nano-oxide particles toughener is selected from TiO
2, CeO
2In one or both.
Preferably, wherein described in the 4th step in the microalloy element described in the plating bath the concrete add-on of each composition account for total mass per-cent and be: Mg:0.1～5.0%, Ti:0.01～0.5%, Ni:0.1～3.0%.
Preferably, wherein each composition of plating bath accounts for plating bath total mass per-cent and is described in the 4th step: Zn:40～50%, and Si:1～3.0%, RE:0.3～0.8%, the content that microalloy element is total: 0.5～4.0%, Al: surplus.
Adopt activation solution of the present invention that part is carried out surface activation process, basically eliminate part is produced the corrosive risk, in addition, because activation solution that the present invention adopts has substituted the use of fluoroboric acid in the prior art or hydrofluoric acid, therefore little to the pollution of environment, environmental protection more, energy-conservation, and the activation solution stability that the present invention adopts is high, sedimentation velocity is very fast, can further improve its corrosion resistance nature.
On the other hand, the present invention puts into the atmosphere protection stove preheated one-section time with the parts of immersion plating before immersion plating, thereby has reduced the mechanical property mismatch between coating and the body material, even coating is not also peeled off under the effect of contact fine motion load.
Moreover, the coating that immersion plating plating bath of the present invention forms, opposing atomospheric corrosion, galvanic corrosion and airflow scouring erosional competency significantly improve, and the intensity of coating, hardness, scour resistance is also all significantly improved, coating and matrix bond are firm in addition, are applicable to exceedingly odious environment such as ocean fully.
In sum, hot dip process technology of the present invention compared with prior art, production technique is simplified, not only cost is low, and environmental protection, energy-conservation.Owing to need not adopt chemical plating fluid, so carrying capacity of environment is also very little.And hot dip process is easy and simple to handle, lower cost for material, the thickness of coating adjustable range is wide, coating and matrix bond are firm, and can be applicable to Any shape, virtually any size component, and coating anti-corrosion, wear resistance good.Adopt the part of hot dip process technical finesse of the present invention, can under the oceanic climate condition, give its abundant corrosion resistance nature and antiscour erosion performance.
Embodiment
The method that marine climate resistant engineering component is carried out immersion plating provided by the invention comprises:
The first step: piece surface is carried out processing of rust removing;
Second step: part is carried out surface activation process;
The 3rd step: part is placed on preheating in the atmosphere protection stove;
The 4th step: will immerse through the part of preheating in the plating bath, in the immersion processes part is imposed rotation, wherein said plating bath mainly is made up of Zn, Al, Si, RE and microalloy element, described microalloy element is selected from a kind of or several arbitrarily among Mg, Ti, the Ni, and each composition accounts for plating bath total mass per-cent: Zn:35～58%, Si:0.3～4.0%, RE:0.02～1.0%, the content that microalloy element is total: 0.01～6.0%, Al: surplus.
Below, provide the present invention the steel construction part is carried out hot dip process some preferred specific embodiments with preparation marine climate resistant corrosion protection coating, but need to prove, the condition that provides in the following specific embodiment is described as essential features, to those skilled in the art, can on the basis of the listed numerical value of embodiment, rationally summarize and derive fully.
Embodiment 1
(1) with after part cleaning, the oil removing, handles rinsed with deionized water by acid pickling and rust removing.
(2) at ethylene glycol 600ml/L, acid ammonium fluoride 45g/L, nickelous chloride 30g/L, boric acid 60g/L, lactic acid 35ml/L, activation treatment in the mixing solutions of acetic acid 230ml/L, 40 ℃ of temperature, time 40min, rinsed with deionized water, drying.
(3) part that will handle through (1)～(2) be put into the atmosphere protection stove, 500 ℃ of preheatings 20 minutes.
(4) in the atmosphere protection smelting furnace, will immerse in the plating bath through the steel part of preheating, submergence 1 minute imposes rotation to part in the immersion processes.
Embodiment 2
(1) with after part cleaning, the oil removing, handles rinsed with deionized water by acid pickling and rust removing.
(2) at ethylene glycol 900ml/L, acid ammonium fluoride 25g/L, nickelous chloride 10g/L, boric acid 20g/L, lactic acid 10ml/L, activation treatment in the mixing solutions of acetic acid 70ml/L, 50 ℃ of temperature, time 35min, rinsed with deionized water, drying.
(3) part that will handle through (1)～(2) be put into the atmosphere protection stove, 600 ℃ of preheatings 15 minutes.
(4) in the atmosphere protection smelting furnace, will immerse in the plating bath through the steel part of preheating, submergence 3 minutes imposes rotation to part in the immersion processes.
Embodiment 3
(1) with after part cleaning, the oil removing, handles rinsed with deionized water by acid pickling and rust removing.
(2) at ethylene glycol 700ml/L, acid ammonium fluoride 35g/L, nickelous chloride 20g/L, boric acid 50g/L, lactic acid 20ml/L, activation treatment in the mixing solutions of acetic acid 180ml/L, 60 ℃ of temperature, time 30min.Rinsed with deionized water, drying.
(3) part that will handle through (1)～(2) be put into the atmosphere protection stove, 650 ℃ of preheatings 10 minutes.
(5) in the atmosphere protection smelting furnace, will immerse in the plating bath through the steel part of preheating, submergence 5 minutes imposes rotation to part in the immersion processes.
Wherein, the composition of plating bath and content are as shown in table 1 below among the embodiment 1-3, and of particular note, only some preferred embodiments that provide plating bath of the present invention in the table 1, although the microalloy element of table 1 comprises Mg, Ti, three kinds of elements of Ni simultaneously, but these are described as essential features, microalloy element of the present invention can be selected among Mg, Ti, the Ni any, two or three.
Table 1: each composition accounts for the mass percentage content (%) of gross weight
Preferably, also added the nano-oxide particles toughener in the wherein said plating bath, the content of described nano-oxide particles toughener accounts for total mass percent 0.01～1.0%.
Preferred, the median size of wherein said nano-oxide particles toughener is 15～60nm.
Preferred, wherein said nano-oxide particles toughener is selected from TiO
2, CeO
2In one or both.
Preferably, each composition of wherein said plating bath accounts for plating bath total mass per-cent and is: Zn:40～50%, and Si:1～3.0%, RE:0.3～0.8%, the content that microalloy element is total: 0.5～4.0%, Al: surplus.
In sum, although above enumerated the present invention some preferred embodiment, inventive concept of the present invention is not limited thereto, and is on this basis all, and the present invention is carried out the change of unsubstantiality, all should fall within protection scope of the present invention.
Claims (10)
1. method that marine climate resistant engineering component is carried out immersion plating comprises:
The first step: piece surface is carried out processing of rust removing;
Second step: part is carried out surface activation process;
The 3rd step: part is placed on preheating in the atmosphere protection stove;
The 4th step: will immerse through the part of preheating in the plating bath, in the immersion processes part is imposed rotation, wherein said plating bath mainly is made up of Zn, Al, Si, RE and microalloy element, described microalloy element is selected from a kind of or several arbitrarily among Mg, Ti, the Ni, and each composition accounts for plating bath total mass per-cent: Zn:35～58%, Si:0.3～4.0%, RE:0.02～1.0%, the content that microalloy element is total: 0.01～6.0%, Al: surplus.
2. method according to claim 1, wherein the processing of rust removing of the first step is first with after part cleaning, the oil removing, carries out processing of rust removing, rinsed with deionized water again by pickling.
3. method according to claim 1, wherein the treatment temp of surface activation process is 40～60 ℃ in second step, and the time is 30～40min, and the prescription of the activation solution of described surface activation process is:
Ethylene glycol C
2H
6O
2600～900ml/L
Acid ammonium fluoride NH
4HF
225～45g/L
Nickelous chloride NiCl
2-6H
2O 10～30g/L
Boric acid H
3BO
320～60g/L
Lactic acid C
3H
6O
310～35ml/L
Acetic acid C
2H
4O
270～230ml/L.
4. method according to claim 1 wherein in the 3rd step is placed in the atmosphere protection stove described part through 500～650 ℃ of preheatings 10～20 minutes.
5. method according to claim 1 wherein will immerse in the plating bath submergence 1～5 minute through the part of preheating in the 4th step.
6. the method for claim 1 has wherein also been added the nano-oxide particles toughener in the plating bath described in the 4th step, and the content of described nano-oxide particles toughener accounts for total mass percent 0.01～1.0%.
7. method as claimed in claim 6, the median size of wherein said nano-oxide particles toughener are 15～60nm.
8. method as claimed in claim 6, wherein said nano-oxide particles toughener is selected from TiO
2, CeO
2In one or both.
9. method according to claim 1, the concrete add-on of each composition accounts for total mass per-cent and is in the wherein said microalloy element: Mg:0.1～5.0%, Ti:0.01～0.5%, Ni:0.1～3.0%.
10. method according to claim 1, wherein each composition of plating bath accounts for plating bath total mass per-cent and is described in the 4th step: Zn:40～50%, Si:1～3.0%, RE:0.3～0.8%, the content that microalloy element is total: 0.5～4.0%, Al: surplus.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102627149A CN101736228B (en) | 2009-12-28 | 2009-12-28 | Method for carrying out immersion plating on marine climate-resisting engineering parts |
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|---|---|---|---|
| CN2009102627149A CN101736228B (en) | 2009-12-28 | 2009-12-28 | Method for carrying out immersion plating on marine climate-resisting engineering parts |
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| CN101736228B CN101736228B (en) | 2012-06-06 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956153A (en) * | 2010-10-14 | 2011-01-26 | 宁波翔博机械有限公司 | Galvanized steel sheet for air conditioner ventilation opening |
| CN104388869A (en) * | 2014-10-16 | 2015-03-04 | 山东泰丰节能新材料股份有限公司 | Steel plate composite hot-coating layer making technology |
| CN105483591A (en) * | 2015-12-23 | 2016-04-13 | 常州大学 | Zn-Al-Si-Ni alloy plating layer for hot dipping and hot dipping method |
| CN107488818A (en) * | 2017-06-27 | 2017-12-19 | 马鞍山市鑫龙特钢有限公司 | A kind of weathering steel being used under marine environment |
| CN111020317A (en) * | 2019-12-25 | 2020-04-17 | 天津市兴生辉锌制品有限公司 | Zinc-aluminum alloy for hot-dip galvanizing |
| CN111270184A (en) * | 2020-03-20 | 2020-06-12 | 首钢京唐钢铁联合有限责任公司 | Aluminum-zinc-magnesium coated steel plate and preparation method thereof |
| CN111270183A (en) * | 2020-03-20 | 2020-06-12 | 首钢京唐钢铁联合有限责任公司 | Aluminum-zinc-magnesium coated steel plate adopting online switching method and preparation method thereof |
| CN111719072A (en) * | 2020-07-28 | 2020-09-29 | 惠博新型材料有限公司 | Zn-Al-Si-Mn-Bi-Ti-Ce alloy for hot dip coating and use method thereof |
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2009
- 2009-12-28 CN CN2009102627149A patent/CN101736228B/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956153A (en) * | 2010-10-14 | 2011-01-26 | 宁波翔博机械有限公司 | Galvanized steel sheet for air conditioner ventilation opening |
| CN104388869A (en) * | 2014-10-16 | 2015-03-04 | 山东泰丰节能新材料股份有限公司 | Steel plate composite hot-coating layer making technology |
| CN105483591A (en) * | 2015-12-23 | 2016-04-13 | 常州大学 | Zn-Al-Si-Ni alloy plating layer for hot dipping and hot dipping method |
| CN105483591B (en) * | 2015-12-23 | 2018-12-07 | 常州大学 | Zn-Al-Si-Ni alloy layer and hot dip coating method used for hot dip galvanizing |
| CN107488818A (en) * | 2017-06-27 | 2017-12-19 | 马鞍山市鑫龙特钢有限公司 | A kind of weathering steel being used under marine environment |
| CN107488818B (en) * | 2017-06-27 | 2020-04-10 | 马鞍山市鑫龙特钢有限公司 | Weather-resistant steel used in marine environment |
| CN111020317A (en) * | 2019-12-25 | 2020-04-17 | 天津市兴生辉锌制品有限公司 | Zinc-aluminum alloy for hot-dip galvanizing |
| CN111270184A (en) * | 2020-03-20 | 2020-06-12 | 首钢京唐钢铁联合有限责任公司 | Aluminum-zinc-magnesium coated steel plate and preparation method thereof |
| CN111270183A (en) * | 2020-03-20 | 2020-06-12 | 首钢京唐钢铁联合有限责任公司 | Aluminum-zinc-magnesium coated steel plate adopting online switching method and preparation method thereof |
| CN111719072A (en) * | 2020-07-28 | 2020-09-29 | 惠博新型材料有限公司 | Zn-Al-Si-Mn-Bi-Ti-Ce alloy for hot dip coating and use method thereof |
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|---|---|
| CN101736228B (en) | 2012-06-06 |
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