CN101503800A - Method for composite zinc impregnation for metal component surface - Google Patents
Method for composite zinc impregnation for metal component surface Download PDFInfo
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- CN101503800A CN101503800A CNA2009100428954A CN200910042895A CN101503800A CN 101503800 A CN101503800 A CN 101503800A CN A2009100428954 A CNA2009100428954 A CN A2009100428954A CN 200910042895 A CN200910042895 A CN 200910042895A CN 101503800 A CN101503800 A CN 101503800A
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Abstract
The invention relates to a method for carrying out composite zinc impregnation on the surface of a metal construction. The method comprises the following steps: preliminary treatment of the metal construction, a zinc impregnation method for the metal construction and the post-treatment of the metal construction, wherein the zinc impregnation method for the metal construction comprises the following steps: adding the metal construction, a sherardizing agent, a filler and an additive together into a vacuum zinc impregnation furnace; sealing the furnace and vacuumizing the furnace to 1.33 Pa to 0.33 Pa; then heating up to 380 to 450 DEG C; keeping the constant temperature for 120 minutes; and drawing the metal construction out of the furnace after the temperature is reduced below 100 DEG C. The post-treatment of the metal construction comprises the following steps: firstly carrying out the surface cleaning of the metal construction after zinc impregnation; then putting the metal construction into an electrolytic bath for electrochemical zinc impregnation treatment; and finally passivating and encapsulating the metal construction.
Description
Technical field
The present invention relates to a kind of the method that zincizing is handled be carried out in the metallic surface, particularly a kind of the metallic surface is carried out zinc, aluminium, nickel and rare earth zincizing earlier and is handled after the compound zincing method by electrochemical zincizing again.
Background technology
At present, the method for anticorrosion treatment to metal component surface has technologies such as electro-galvanizing, cold galvanizing, pot galvanize and sherardise.Wherein sherardise technology is to utilize that atoms metal interpenetrates diffusion principle in the thermal treatment; in heat-processed, make zinc powder and closely contacted by the metallizing member; make the zinc active atomic of generation penetrate into metal component surface by the thermodiffusion campaign; form a kind of zinc-iron alloy protective layer, in case stop ring border corroding method.Existing sherardise technology mainly comprises the pre-treatment of hardware, the zincing method of hardware and the aftertreatment of hardware.The pre-treatment of hardware comprises: surperficial alkali cleaning, surface degreasing, surface acid-washing, surface derusting (ball blast, derusting by sandblast), ooze before the cleaning and the oven dry; The zincing method of hardware is hardware to be put into the vacuum Sherardizing furnace with zinc powder, inert fill material and activator heat-treat; The aftertreatment of hardware comprises the flushing of hardware after the zincizing, polished finish, Passivation Treatment and dries processing.Existing sherardise technology is only heat-treated zincizing to hardware in vacuum oven, the antiseptic property of hardware infiltration layer, surface hardness, wear resisting property, smooth finish and attractive in appearance all being still waiting are improved.
Summary of the invention
The objective of the invention is to overcome the above-mentioned deficiency of prior art and provide a kind of the metallic surface is carried out zinc, aluminium, nickel and rare earth zincizing earlier and is handled after the compound zincing method by electrochemical zincizing again.
Technical scheme of the present invention is: a kind of method that metal component surface is carried out compound zincizing, and it comprises the pre-treatment of hardware, the zincing method of hardware and the aftertreatment of hardware, wherein:
The pre-treatment of hardware comprises: surperficial alkali cleaning, surface degreasing, surface acid-washing, surface derusting (ball blast, derusting by sandblast), ooze before the cleaning and the oven dry.
The zincing method of hardware is: with hardware with penetration enhancer, weighting agent, auxiliary agent, put into the vacuum Sherardizing furnace, sealing is evacuated to 1.33Pa-0.33Pa, be heated to then 380 the degree-450 the degree, constant temperature 120-180 minute, be cooled to 100 the degree below come out of the stove.Described penetration enhancer is made up of the raw material of following component, and its umber is a weight part, wherein: zinc powder 85-100, aluminium powder 1-8, brown iron oxide 1-5, nickel powder 0.1-2; Described weighting agent is made up of the raw material of following component, and its umber is a weight part, wherein: quartz sand 80-100, granularity 40 orders-80 order, Tao Zhu 5-20; Described auxiliary agent is made up of the raw material of following component, and its umber is a weight part, wherein is: aluminium sesquioxide 60-90, ammonia chloride 5-10, zinc chloride 3-5, rare earth 2-5, carbon black 2-5.
The aftertreatment of hardware comprise to the hardware after the zincizing clear up, electrochemistry zincizing processing and passivation sealing treatment.Clear up the surface of hardware earlier with 5% nitric acid, carrying out the electrochemistry zincizing again handles, the electrochemistry zincizing is handled and is adopted anodic-cathodic galvanic current electrochemistry zincizing treatment process, anode is 99.99% with zinc purity, hardware carries out the electrochemistry zincizing treatment time in slot electrode be 15-30 minute, electrode current density is 2.5-3.5A/m2, and temperature is 15-35 ℃.The proportioning of electrode tank liquor is: Repone K 120-160g/L, zinc chloride 50-80g/L, boric acid 25-35g/L, ferrous sulfate 0.5-1.8g/L.
To carry out the passivation sealing treatment through the hardware that the electrochemistry zincizing is handled again; the technology of passivation sealing treatment is: earlier with 2%-3% nitric acid clean metal member; again hardware is put into protection liquid passivation sealing; described protection liquid is made by the raw material of following component; its umber is a weight part, wherein: complex acid 4-8, nitric acid 1-3, nitrate of baryta 1-2.At last to hardware clean, drying, drying temperature is 65 ℃.
The present invention compared with prior art has following characteristics:
1 and the hardware of existing sherardise relatively, adopt the surface hardness, wear resisting property, smooth finish of the hardware infiltration layer that the present invention produces and attractive in appearance apparent in view raising arranged all.
2, oozing the back altogether adopts electrochemistry zincizing processing further to allow the imporosity of hardware infiltration layer and the drift of atoms metal between co-penetration layer further deepen again.
3, ooze the back hardware altogether through transpassivation and sealing, the rot-resistant salt-fog test reached more than 500 hours.
Below in conjunction with embodiment the present invention is further described.
Embodiment
A kind of method that metal component surface is carried out compound zincizing, it comprises the pre-treatment of hardware, the zincing method of hardware and the aftertreatment of hardware, wherein:
The pre-treatment of hardware comprises: surperficial alkali cleaning, surface degreasing, surface acid-washing, surface derusting (ball blast, derusting by sandblast), ooze before the cleaning and the oven dry;
The zincing method of hardware is: with hardware with penetration enhancer, weighting agent, auxiliary agent, put into the vacuum Sherardizing furnace, sealing is evacuated to 1.33Pa-0.33Pa, be heated to then 380 the degree-450 the degree, constant temperature 120-180 minute, be cooled to 100 the degree below come out of the stove.Described penetration enhancer is made up of the raw material of following component, and its umber is a weight part, wherein: zinc powder 90, aluminium powder 5, brown iron oxide 4, nickel powder 1; Described weighting agent is made up of the raw material of following component, and its umber is a weight part, wherein: quartz sand 90, granularity 60 orders, Tao Zhu 10; Described auxiliary agent is made up of the raw material of following component, and its umber is a weight part, wherein: aluminium sesquioxide 80, ammonia chloride 8, zinc chloride 4, rare earth 3, carbon black 3.
The aftertreatment of hardware comprise to the hardware after the zincizing clear up, electrochemistry zincizing processing and passivation sealing treatment.Clear up the surface of hardware earlier with 5% nitric acid, carrying out the electrochemistry zincizing again handles, the electrochemistry zincizing is handled and is adopted anodic-cathodic galvanic current electrochemistry zincizing treatment process, anode is 99.99% with zinc purity, hardware carries out the electrochemistry zincizing treatment time in slot electrode be 15-30 minute, electrode current density is 2.5-3.5A/m2, and temperature is 15-35 ℃.The proportioning of electrode tank liquor is: Repone K 120-160g/L, zinc chloride 50-80g/L, boric acid 25-35g/L, ferrous sulfate 0.5-1.8g/L.
To carry out the passivation sealing treatment through the hardware that the electrochemistry zincizing is handled again; the method of passivation sealing treatment is: earlier with 2%-3% nitric acid clean metal member; again hardware is put into protection liquid passivation sealing; described protection liquid is made by the raw material of following component; its umber is a weight part, wherein: complex acid 5, nitric acid 2, nitrate of baryta 1.At last to hardware clean, drying, drying temperature be 65 the degree.
Claims (5)
1, a kind of method of metal component surface being carried out compound zincizing, it comprises the pre-treatment to hardware, the zincing method of hardware and the aftertreatment of hardware, the pre-treatment of hardware comprise surperficial alkali cleaning to hardware, table and oil removing, surface acid-washing, surface derusting, ooze before cleaning and oven dry, it is characterized in that:
The zincing method of hardware is: with hardware with penetration enhancer, weighting agent, auxiliary agent, put into the vacuum Sherardizing furnace, sealing is evacuated to 1.33Pa-0.33Pa, be heated to then 380 the degree-450 the degree, constant temperature 120-180 minute, be cooled to 100 the degree below come out of the stove;
The aftertreatment of hardware comprise to the hardware after the zincizing clear up, electrochemistry zincizing processing and passivation sealing treatment, its treatment process is: the surface of clearing up hardware earlier with 5% nitric acid, carrying out the electrochemistry zincizing again handles, the electrochemistry zincizing is handled and is adopted anodic-cathodic galvanic current electrochemistry zincizing treatment process, anode is 99.99% with zinc purity, carrying out the electrochemistry zincizing treatment time in the electrode tank liquor of hardware in electrolyzer is 15-30 minute, electrode current density is 2.5-3.5A/m2, and temperature is 15-35 ℃; During the passivation sealing treatment, earlier with 2%-3% nitric acid clean metal member, hardware is put into protection liquid passivation sealing again, cleaned at last, drying, drying temperature is 65 degree.
2, a kind of method of metal component surface being carried out compound zincizing according to claim 1, it is characterized in that: described penetration enhancer is made up of the raw material of following component, its umber is a weight part, wherein: zinc powder 85-100, aluminium powder 1-8, brown iron oxide 1-5, nickel powder 0.1-2; Described weighting agent is made up of the raw material of following component, and its umber is a weight part, wherein: quartz sand 80-100, granularity 40 orders-80 order, Tao Zhu 5-20; Described auxiliary agent is made up of the raw material of following component, and its umber is a weight part, wherein: aluminium sesquioxide 60-90, ammonia chloride 5-10, zinc chloride 3-5, rare earth 2-5, carbon black 2-5.
3, a kind of method that metal component surface is carried out compound zincizing according to claim 1 and 2, it is characterized in that: described protection liquid is made by the raw material of following component, and its umber is a weight part, wherein: complex acid 4-8, nitric acid 1-3, nitrate of baryta 1-2.
4, a kind of method that metal component surface is carried out compound zincizing according to claim 1 and 2, it is characterized in that: the proportioning of described electrode tank liquor is: Repone K 120-160g/L, zinc chloride 50-80g/L, boric acid 25-35g/L, ferrous sulfate 0.5-1.8g/L.
5, a kind of method that metal component surface is carried out compound zincizing according to claim 3, it is characterized in that: the proportioning of described electrode tank liquor is: Repone K 120-160g/L, zinc chloride 50-80g/L, boric acid 25-35g/L, ferrous sulfate 0.5-1.8g/L.
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| CNA2009100428954A CN101503800A (en) | 2009-03-12 | 2009-03-12 | Method for composite zinc impregnation for metal component surface |
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| CNA2009100428954A CN101503800A (en) | 2009-03-12 | 2009-03-12 | Method for composite zinc impregnation for metal component surface |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243293A (en) * | 2013-05-14 | 2013-08-14 | 盐城市科奥热处理设备制造厂 | Zinc impregnation furnace capable of performing real-time measurement on temperature in furnace pipe |
| CN103866227A (en) * | 2014-03-10 | 2014-06-18 | 江苏鑫隆线路器材有限公司 | Co-permeating agent and co-permeating process for preparing anticorrosive coating on workpiece surface |
| CN104087896A (en) * | 2014-07-23 | 2014-10-08 | 郑州瑞能电气有限公司 | Alloy treatment method for carrying out zinc impregnation on surface of falling type fuse steel part |
| CN104498868A (en) * | 2014-12-29 | 2015-04-08 | 国家电网公司 | Multi-element alloy zinc-impregnation method |
| CN104694875A (en) * | 2015-02-05 | 2015-06-10 | 浙江工业大学 | Method for preparing Ti-Cr high-hardness composite coating on metal material surface |
| CN103320790B (en) * | 2013-05-24 | 2016-03-30 | 洪求耀 | Zinc chemical surface treatment technology |
| CN105568214A (en) * | 2015-12-25 | 2016-05-11 | 天津先知邦科技股份有限公司 | Zinc impregnation processing method for cable support hanger and cable support hanger |
| CN107022734A (en) * | 2017-04-28 | 2017-08-08 | 南宁普来得工贸有限公司 | A kind of powder zincizing agent of high activity, fast infiltration rate |
| CN107022735A (en) * | 2017-04-28 | 2017-08-08 | 南宁普来得工贸有限公司 | It is a kind of combined with product uniformly, the preparation method of the powder zincizing agent of high rigidity |
| CN107022736A (en) * | 2017-04-28 | 2017-08-08 | 南宁普来得工贸有限公司 | It is a kind of without hydrogen embrittlement and surface damage, high utilization rate of zinc, energy-conserving and environment-protective powder zincizing technique |
| CN107630187A (en) * | 2017-10-31 | 2018-01-26 | 天津市澳博美特新材料科技开发有限公司 | A kind of environmental protection and the anticorrosion process of Yield increasing type powder zincizing |
| CN109468580A (en) * | 2018-12-27 | 2019-03-15 | 保定市胜新金属表面处理有限公司 | A kind of high-efficiency environment friendly processing technological flow of metal zincizing surface treatment |
| WO2020107135A1 (en) * | 2018-11-27 | 2020-06-04 | 李屹晨 | Vacuum zinc infiltration method for metal surface treatment and preparation method |
| CN112391589A (en) * | 2019-08-12 | 2021-02-23 | 泰州多源合金技术有限公司 | Multicomponent alloy co-permeation formula for steel product and anti-corrosion processing technology |
-
2009
- 2009-03-12 CN CNA2009100428954A patent/CN101503800A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243293A (en) * | 2013-05-14 | 2013-08-14 | 盐城市科奥热处理设备制造厂 | Zinc impregnation furnace capable of performing real-time measurement on temperature in furnace pipe |
| CN103320790B (en) * | 2013-05-24 | 2016-03-30 | 洪求耀 | Zinc chemical surface treatment technology |
| CN103866227A (en) * | 2014-03-10 | 2014-06-18 | 江苏鑫隆线路器材有限公司 | Co-permeating agent and co-permeating process for preparing anticorrosive coating on workpiece surface |
| CN103866227B (en) * | 2014-03-10 | 2016-03-23 | 江苏鑫隆线路器材有限公司 | A kind of workpiece surface prepares corrosion protection coating diffusion medium and confusion technology |
| CN104087896B (en) * | 2014-07-23 | 2016-06-22 | 郑州瑞能电气有限公司 | Fuse switch steel piece surface Zn-infiltrated alloy processing method |
| CN104087896A (en) * | 2014-07-23 | 2014-10-08 | 郑州瑞能电气有限公司 | Alloy treatment method for carrying out zinc impregnation on surface of falling type fuse steel part |
| CN104498868A (en) * | 2014-12-29 | 2015-04-08 | 国家电网公司 | Multi-element alloy zinc-impregnation method |
| CN104694875A (en) * | 2015-02-05 | 2015-06-10 | 浙江工业大学 | Method for preparing Ti-Cr high-hardness composite coating on metal material surface |
| CN105568214A (en) * | 2015-12-25 | 2016-05-11 | 天津先知邦科技股份有限公司 | Zinc impregnation processing method for cable support hanger and cable support hanger |
| CN107022734A (en) * | 2017-04-28 | 2017-08-08 | 南宁普来得工贸有限公司 | A kind of powder zincizing agent of high activity, fast infiltration rate |
| CN107022735A (en) * | 2017-04-28 | 2017-08-08 | 南宁普来得工贸有限公司 | It is a kind of combined with product uniformly, the preparation method of the powder zincizing agent of high rigidity |
| CN107022736A (en) * | 2017-04-28 | 2017-08-08 | 南宁普来得工贸有限公司 | It is a kind of without hydrogen embrittlement and surface damage, high utilization rate of zinc, energy-conserving and environment-protective powder zincizing technique |
| CN107630187A (en) * | 2017-10-31 | 2018-01-26 | 天津市澳博美特新材料科技开发有限公司 | A kind of environmental protection and the anticorrosion process of Yield increasing type powder zincizing |
| WO2020107135A1 (en) * | 2018-11-27 | 2020-06-04 | 李屹晨 | Vacuum zinc infiltration method for metal surface treatment and preparation method |
| CN109468580A (en) * | 2018-12-27 | 2019-03-15 | 保定市胜新金属表面处理有限公司 | A kind of high-efficiency environment friendly processing technological flow of metal zincizing surface treatment |
| CN112391589A (en) * | 2019-08-12 | 2021-02-23 | 泰州多源合金技术有限公司 | Multicomponent alloy co-permeation formula for steel product and anti-corrosion processing technology |
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Application publication date: 20090812 |