CN101736348B - Method for carrying out surface activation treatment on marine climate-resisting engineering parts - Google Patents
Method for carrying out surface activation treatment on marine climate-resisting engineering parts Download PDFInfo
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- CN101736348B CN101736348B CN 200910262713 CN200910262713A CN101736348B CN 101736348 B CN101736348 B CN 101736348B CN 200910262713 CN200910262713 CN 200910262713 CN 200910262713 A CN200910262713 A CN 200910262713A CN 101736348 B CN101736348 B CN 101736348B
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Abstract
The invention relates to a method for carrying out surface activation treatment on marine climate-resisting engineering parts. The method comprises the following steps: 1, carrying out derusting treatment on parts; 2, carrying out etching treatment on the parts; 3, carrying out surface activation treatment on the parts at the temperature of between 40 and 60 DEG C for 30 to 40min by adopting the mixed solution of glycol, acidic ammonium fluoride, nickelous chloride, boric acid, lactic acid and acetic acid as the activation solution of surface activation treatment; and 4, drying and carrying out post treatment. The method not only reduces part erosion, but also improves activation effects; moreover, the method ensures ideal metallurgical effect of bonding with substrates to obtain better erosion and abrasion resistance of coatings; and in addition, due to replacing fluoboric acid or hydrofluoric acid used in the prior art, the method generates relatively less impact on the environment and completely solves the problems of the prior art.
Description
Technical field
The present invention relates to a kind of method of the engineering component of marine climate resistant being carried out surface activation process.
Background technology
Along with the fast development of science and technology, the engineer equipment that is applied in coastal waters and the ocean is more and more, and its service condition is pressed ISO 9225 environmental evaluations Standard General＞C5 level, belongs to extreme environment.Described ambient atmosphere is rainy, high temperature, many salt fogs and high wind stream, and exposed part will be subject to the comprehensive action that strong atomospheric corrosion, galvanic corrosion and airflow scouring corrode, and the work-ing life of various steel construction is far below general landlocked outdoor environment.Such 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 huge 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.Such as 5 ton ore Ship for Transporting Module of Japan in 1969, the suddenly sinking 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, such as plating, electroless plating, thermospray, hot dip process, vapour deposition etc.Disclosed these processing methodes of prior art, its pre-treatment generally includes carries out activation treatment to part, yet, because the activation solution that activation treatment adopts in the prior art has certain corrosive nature to part, therefore can cause the shortcomings such as binding force of cladding material is poor, thereby affect the corrosion resistance nature of final coating, and owing to adopt fluoroboric acid or hydrofluoric acid activation solutions that part is carried out activation treatment in the prior art, very large on the impact of environment. moreTherefore, research and develop effective wind-powered electricity generation external member surface and carry out antiseptic novel process, become the active demand of Wind Power Generation Industry development.
Summary of the invention
For these problems in the prior art, the invention provides and a kind of the engineering component of marine climate resistant is carried out the method for surface activation process, thereby thoroughly solved the problem that exists in the present technology.
Provided by the inventionly a kind of marine climate resistant engineering component is carried out the method for surface activation process, comprising:
The first step: part is carried out processing of rust removing;
Second step: part is carried out etch process;
The 3rd step: part is carried out surface activation process; The activation solution of wherein said surface activation process is the mixed solution of ethylene glycol, acid ammonium fluoride, nickelous chloride, boric acid, lactic acid and acetic acid, and the temperature of described surface activation process is 40～60 ℃, and the time of described surface activation process is 30～40min;
The 4th step: drying and postprocessing working procedures.
Preferably, wherein processing of rust removing described in the first step is first with after Cleaning of Parts, the oil removing, carries out processing of rust removing by pickling again.
Preferably, wherein the processing of etch described in the second step is that the part behind the degreasing and rust removal is placed in hydrochloric acid and the hydrofluoric acid mixing solutions, and the room temperature etch is 1～3 minute again.
Preferred, wherein hydrochloric acid described in the second step and hydrofluoric acid mixing solutions are by volume: hydrochloric acid HCl accounts for 94%～96%, and hydrofluoric acid HF accounts for 4%～6%.
Preferably, wherein the prescription of the activation solution of surface activation process described in the 3rd step 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.
Preferred, wherein the prescription of the activation solution of surface activation process is described in the 3rd step:
Ethylene glycol C
2H
6O
2650～850ml/L
Acid ammonium fluoride NH
4HF
230～40g/L
Nickelous chloride NiCl
2-6H
2O 15～25g/L
Boric acid H
3BO
330～55g/L
Lactic acid C
3H
6O
315～25ml/L
Acetic acid C
2H
4O
2100～200ml/L.
Most preferred, wherein the prescription of the activation solution of surface activation process is described in the 3rd step:
Ethylene glycol C
2H
6O
2700ml/L
Acid ammonium fluoride NH
4HF
235g/L
Nickelous chloride NiCl
2-6H
2O 20g/L
Boric acid H
3BO
350g/L
Lactic acid C
3H
6O
320ml/L
Acetic acid C
2H
4O
2180ml/L.
Preferably, wherein the temperature of surface activation process is 50 ℃ described in the 3rd step, and the time of described surface activation process is 35min.
Preferably, wherein postprocessing working procedures described in the 4th step is the operation that forms coating by the method for plating, electroless plating, thermospray, hot dip process or vapour deposition at piece surface.
Preferably, the wherein said the first step, second step, the 3rd step also comprise respectively the step of rinsed with deionized water at last.
The technology of the present invention compared with prior art, under normal temperature condition, the time that part is activated is short, activation effect is good, to part without corrosion, basically eliminate part is produced the risk of corrosion.And owing to substituted the use of fluoroboric acid in the prior art or hydrofluoric acid, environmental pollution is little, thereby more environmental protection, energy-conservation.The activation solution stability that the present invention adopts is high, and sedimentation velocity is very fast, can further improve its corrosion resistance nature.
The part that adopts the technology of the present invention to process, coating is combined with matrix firmly, metallurgical binding is effective, thereby coating anti-corrosion, wear resistance is better, can under the oceanic climate condition, give its abundant corrosion resistance nature and antiscour erosion performance, and technique of the present invention is simple, and production cost is low, and can be applicable to any shape, any size component.
Embodiment
Provided by the inventionly a kind of marine climate resistant engineering component is carried out the method for surface activation process, comprising:
The first step: part is carried out processing of rust removing;
Second step: part is carried out etch process;
The 3rd step: part is carried out surface activation process; The activation solution of wherein said surface activation process is the mixed solution of ethylene glycol, acid ammonium fluoride, nickelous chloride, boric acid, lactic acid and acetic acid, and the temperature of described surface activation process is 40～60 ℃, and the time of described surface activation process is 30～40min;
The 4th step: drying and postprocessing working procedures.
Wherein, described postprocessing working procedures mainly refers to form coating by operations such as plating, electroless plating, thermospray, hot dip process, vapour depositions at piece surface.
Below, provide preferred specific embodiments more of the present invention, but to those skilled in the art, can rationally summarize on the basis of the listed numerical value of embodiment and derive fully.
Embodiment 1
Adopt method of the present invention as follows in the operating process that the piece surface of cast steel structure prepares the marine climate resistant corrosion protection coating:
(1) with after Cleaning of Parts, the oil removing, processes rinsed with deionized water by acid pickling and rust removing.
(2) with the part behind the degreasing and rust removal in hydrochloric acid HCl 94% (volume fraction)+hydrofluoric acid HF6% (volume fraction) mixing solutions, room temperature etch 1 minute, rinsed with deionized water.
(3) at ethylene glycol, acid ammonium fluoride, nickelous chloride, boric acid, lactic acid, activation treatment in the mixing solutions of acetic acid, 40 ℃ of temperature, time 40min.Rinsed with deionized water, drying.
(4) hot dip process coating.
Embodiment 2
Adopt method of the present invention as follows in the operating process of steel alloy structural parts surface preparation marine climate resistant corrosion protection coating:
(1) with after Cleaning of Parts, the oil removing, processes rinsed with deionized water by acid pickling and rust removing.
(2) with the part behind the degreasing and rust removal in hydrochloric acid HCl 95% (volume fraction)+hydrofluoric acid HF5% (volume fraction) mixing solutions, room temperature etch 2 minutes, rinsed with deionized water.
(3) at ethylene glycol, acid ammonium fluoride, nickelous chloride, boric acid, lactic acid, activation treatment in the mixing solutions of acetic acid, temperature 50 C, time 35min.Rinsed with deionized water, drying.
(4) hot spray coating.
Embodiment 3
Adopt method of the present invention as follows in the operating process that the steel construction piece surface prepares the rotten anti-coating of marine climate resistant:
(1) with after Cleaning of Parts, the oil removing, processes rinsed with deionized water by acid pickling and rust removing.
(2) with the part behind the degreasing and rust removal in hydrochloric acid HCl 96% (volume fraction)+hydrofluoric acid HF4% (volume fraction) mixing solutions, room temperature etch 3 minutes, rinsed with deionized water.
(3) thermospray, temperature 60 C, time 30min.Rinsed with deionized water, drying.
(4) electroplated coating.
Wherein, the composition of the activation solution of surface activation process and content are as shown in table 1 below among the embodiment 1-3, and of particular note, only be to provide the composition of activation solution of the present invention and some preferred embodiments of content in the table 1, but the composition of activation solution of the present invention and content are not limited to listed numerical value in this table, for a person skilled in the art, can in table, rationally summarize and reasoning on the basis of listed numerical range fully, therefore, following examples all are as preferred condition, and are described as prerequisite of the present invention.
Table 1: the activation solution prescription, the composition of per 1 liter (L) and content, surplus is water.
Annotate: the binding force of cladding material testing method is carried out with reference to GB1720-79
Preferably, the temperature of described surface activation process is 45～55 ℃, and the time of described surface activation process is 32～38min.
Preferably, 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 acetic acid (99%) the 180ml/L solution.
In sum, although above enumerated the present invention some preferred embodiment, inventive concept of the present invention is not limited to this, 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 (8)
1. one kind is carried out the method for surface activation process to the engineering component of marine climate resistant, comprising:
The first step: part is carried out processing of rust removing;
Second step: part is carried out etch process, the part after the rust cleaning is placed in hydrochloric acid and the hydrofluoric acid mixing solutions, the room temperature etch is 2～3 minutes again;
The 3rd step: part is carried out surface activation process; The activation solution of wherein said surface activation process is the mixed solution of ethylene glycol, acid ammonium fluoride, nickelous chloride, boric acid, lactic acid and acetic acid, and the temperature of described surface activation process is 40～60 ℃, and the time of described surface activation process is 32～40 minutes;
The 4th step: drying and postprocessing working procedures;
Wherein the prescription of the activation solution of surface activation process is described in the 3rd step:
2. method according to claim 1, wherein processing of rust removing described in the first step is first with after Cleaning of Parts, the oil removing, carries out processing of rust removing by pickling again.
3. method according to claim 1, wherein hydrochloric acid described in the second step and hydrofluoric acid mixing solutions are by volume: hydrochloric acid HCl accounts for 94%～96%, and hydrofluoric acid HF accounts for 4%～6%.
4. method according to claim 1, wherein the prescription of the activation solution of surface activation process is described in the 3rd step:
5. method according to claim 4, wherein the prescription of the activation solution of surface activation process is described in the 3rd step:
6. method according to claim 1, wherein the temperature of surface activation process is 50 ℃ described in the 3rd step, the time of described surface activation process is 35min.
7. method according to claim 1, wherein postprocessing working procedures described in the 4th step is the operation that forms coating by the method for plating, electroless plating, thermospray, hot dip process or vapour deposition at piece surface.
8. each described method according to claim 1-7, the wherein said the first step, second step, the 3rd step also comprise respectively the step of rinsed with deionized water at last.
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| CN106810997A (en) * | 2016-12-24 | 2017-06-09 | 安徽雷萨重工机械有限公司 | A kind of method for lifting balancing weight surface oil preventing performance |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1699634A (en) * | 2005-04-12 | 2005-11-23 | 沈阳工业大学 | Method for electroplating magnesium and magnesium alloy |
| CN1807682A (en) * | 2006-01-26 | 2006-07-26 | 鲁国强 | Electroless nickel-phosphorus plating process for Nd-Fe-Bo permanent magnet material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1699634A (en) * | 2005-04-12 | 2005-11-23 | 沈阳工业大学 | Method for electroplating magnesium and magnesium alloy |
| CN1807682A (en) * | 2006-01-26 | 2006-07-26 | 鲁国强 | Electroless nickel-phosphorus plating process for Nd-Fe-Bo permanent magnet material |
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Denomination of invention: Method for carrying out surface activation treatment on marine climate-resisting engineering parts Effective date of registration: 20140821 Granted publication date: 20130109 Pledgee: Wuxi rural commercial bank Limited by Share Ltd Pledgor: Jiangsu Linlong New Materials Co., Ltd. Registration number: 2014990000687 |
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Date of cancellation: 20171025 Granted publication date: 20130109 Pledgee: Wuxi rural commercial bank Limited by Share Ltd Pledgor: Jiangsu Linlong New Materials Co., Ltd. Registration number: 2014990000687 |
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Denomination of invention: Method for carrying out surface activation treatment on marine climate-resisting engineering parts Effective date of registration: 20200713 Granted publication date: 20130109 Pledgee: Wuxi rural commercial bank Limited by Share Ltd. Pledgor: Jiangsu Linlong New Materials Co.,Ltd. Registration number: Y2020990000737 |