CN108396185A - The kirsite containing Ba and Y that zinc crucible corrodes in a kind of reduction galvanizing by dipping - Google Patents
The kirsite containing Ba and Y that zinc crucible corrodes in a kind of reduction galvanizing by dipping Download PDFInfo
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- CN108396185A CN108396185A CN201810440568.3A CN201810440568A CN108396185A CN 108396185 A CN108396185 A CN 108396185A CN 201810440568 A CN201810440568 A CN 201810440568A CN 108396185 A CN108396185 A CN 108396185A
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- dipping
- zinc
- galvanizing
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/38—Wires; Tubes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coating With Molten Metal (AREA)
Abstract
The invention discloses what zinc crucible in a kind of reduction galvanizing by dipping corroded to contain Ba and Y kirsites and its processing technology.According to weight percent, the ingredient of the alloy is：Ba：0.4‑0.8wt.%,Os:0.2‑0.3wt.%,Si:1.5‑2.0wt.%,Ge：2.0 2.5wt.%, Y:0.4‑0.5wt.%,Mo:1.0 1.2wt.%, surplus are zinc.When the galvanizing by dipping is used for galvanizing by dipping with alloy, extremely excellent protective effect can be played to zinc pot under 360 450 degree.So that the service life of zinc pot increases by 10 times or more.In addition, also have production temperature low, hot dipping time short advantage, the characteristics of convenient for large-scale production.
Description
Technical field
The present invention relates to technical field of alloy, specifically, being related to a kind of kirsite.
Background technology
The 10-20% for accounting for about steel annual output is lost caused by steel corrosion every year, wherein some is to return again
What receipts utilized, therefore, the anti-corrosion of steel is particularly significant.In the guard method of steel, zinc-plated is to be generally accepted most simply
One of effective method.Since zinc is not easy to change in dry air, and in wet air, surface energy generates one kind and causes very much
Close basic zinc carbonate film is no longer influenced by corrosion inside this film energy effective protection.Normal potential-the 0.76V of zinc, iron
Normal potential -0.44V.And work as certain reason, when coating being made to occur to destroy and expose less big base steel, zinc and the base steel bodily form
At micro cell, steel matrix is made to be protected as cathode.
It is zinc-plated to be divided into two kinds of galvanizing by dipping and electrogalvanizing in technique.Galvanizing by dipping is by pretreated steel structure
Part immerses in the zinc crucible of galvanizing zinc, and the technical process of fe-zn alloy layer and pure zinc layer is obtained in component surface.Galvanizing by dipping is
A kind of effective anti-corrosion of metal mode, is mainly used on the metal structure facility of every profession and trade.Since France in 1836 is galvanizing
Since applied to industry, there is more than 170 years history.In the late three decades, along with the hair at full speed of cold-strip steel
Exhibition, hot dip Zn Cr coating are able to extensive development.
Galvanizing by dipping has series of advantages:1：）Zinc coating is thicker, and crystallization is careful, uniform and imporosity, corrosion resistance are good
It is good；2：）Corrode relatively slow, energy effective protection steel matrix in the fogs such as acid, alkali；3：）Zinc coating formed after chromic acid passivation white,
Colour, green black colour etc., it is beautiful and generous, there is certain dicoration；4：）It, can since zinc coating has good ductility
The various moldings such as cold punching, rolling, bending are carried out without damaging coating.
Or immersion becomes the main anti-corrosion side of countries in the world metal material because its is cheap and function admirable
Method.With advanced optimizing for equipment and technique, and the common progress with other cross disciplines, hot dipping coating technology will be constantly complete
Kind, the application of hot dipping coating technology will more extensively, and foreground can be more wide.
In galvanizing by dipping production, zinc liquid temperature is approximately kept at 460 DEG C or so.Zinc crucible melts zinc ingot metal and holds for heating
Zinc liquid, and it is zinc-plated to keep certain zinc liquid temperature to be convenient for.It is a difficult task to replace zinc crucible, because it can cause entire life
The parking of producing line stops production and molten metal zinc is discharged.Thus, zinc crucible normal work is the weight of continuous galvanizing line high-efficiency homework
Want factor.The factor for influencing the zinc crucible service life mainly has two aspects of zine corrosion and mechanical damage.So extension zinc crucible uses the longevity
Life is preferably to try to reduce zinc liquid in hot dip galvanizing process to the corrosion of zinc pot.
In galvanizing by dipping field, people use different modes to reduce corrosion rate of the zinc liquid to zinc pot.It is general and
Speech, zinc pot before the use, can coat one layer of waterglass in inner wall, effectively slow down erosive velocity of the zinc to iron, to improve
The service life of zinc pot.Refractory brick can also be built by laying bricks or stones inside zinc pot.When zinc corrodes iron, the fire resisting of zinc pot is made pottery
Porcelain composition material played an important role.Further, it is also possible to by the ingredient for purifying galvanizing by dipping aluminium alloy and control miscellaneous
Matter content slows down the liquid zinc corrosion of zinc pot.For example, phosphorus is harmful in the chemical element of zinc pot, they can cause zinc to iron
Corrosion rate accelerate, to which the corrosion rate of zinc pot is also accelerated therewith.Purity by improving galvanizing by dipping raw material can also
Effectively improve the service life of zinc pot.But these methods only slow down the zine corrosion of zinc pot to a certain extent.In addition,
Hot dipping temperature is high and the hot dipping time is long, and enables the tendency of zinc pot deformation even cracking serious.
Invention content
The purpose of the present invention is to overcome the deficiency in the prior art, and providing one kind can make under 360-450 degree atmospheric conditions
The kirsite containing Ba and Y that zinc crucible corrodes in a kind of reduction galvanizing by dipping.
To achieve the goals above, the present invention adopts the following technical scheme that：
The kirsite containing Ba and Y that zinc crucible corrodes in a kind of reduction galvanizing by dipping.By weight percentage, the group of alloy becomes：Ba：
0.4-0.8wt.%,Os:0.2-0.3wt.% ,Si:1.5-2.0wt.%,Ge：2.0-2.5wt.%, Y:0.4-0.5wt.%, Mo:
1.0-1.2wt.%, surplus are zinc.The kirsite is in fusion process because the weight for volatilizing and forming the reasons such as clinker and losing exists
1.0-2.0wt.% or so.
The preparation method for the kirsite containing Ba and Y that zinc crucible corrodes in above-mentioned reduction galvanizing by dipping, includes the following steps：It will be as
The raw material of upper proportioning is added in the electric induction furnace of atmosphere protection, and uses silicon carbide crucible；Sensing heating is to 500-600 degree shapes
It is sufficiently stirred 10 minutes or so at alloy solution, and using electromagnetic agitation effect；Alloy liquid is kept the temperature in 500-600 degree and is stood
It is cast to after ten minutes in the same level equipment of heat top and carries out semi-continuous casting into required billet, it is 5- that ingot casting, which moves down speed,
8m/min.The ingot casting can be handled for the galvanizing by dipping of subsequent handling to carry out protection behaviour to steel wire as galvanizing by dipping raw material
Make, wherein the operating temperature of galvanizing by dipping is 360-450 degree, and the hot dipping time is 15-20 seconds.
Compared with prior art, the present invention has the advantages that：
（1）In general, the critical-temperature that steel plate is reacted with zinc liquid is 480 degree, and when zinc bath temperature is less than this temperature, zinc pot
The fine and close zinc-iron alloy layer that the iron on surface is formed with zinc liquid is attached to zinc pot surface, alloy-layer can slow down even prevent zinc pot with
The reaction of zinc bath.When zinc bath temperature is higher than 480 degree, the alloy-layer on zinc pot surface can be destroyed and iron-based body is caused ceaselessly to dissolve
Into zinc liquid.Then zinc bath will constantly react with zinc pot inner surface, accelerate the corrosion to zinc pot, reduce the longevity of zinc pot
Life, while will produce more cadmias and increasing zinc consumption.Patent of the present invention in current galvanizing by dipping field zinc pot this is existing
Shape provides a kind of solution of materialogy.
（2）The kirsite has extremely excellent resistance to volatilization and oxidation resistent susceptibility, can reach in 400-800 degree temperature models
5 hours are stood without significantly aoxidizing under atmospheric environment in enclosing.The melts such as the liquid alloy is being stirred, is being blown
In processing procedure, after its skin covering of the surface is destroyed because being vigorously stirred, energy rapid regeneration successfully hinders the oxidation and volatilization of alloy.
（3）The operating temperature of general galvanizing by dipping is 450-580 degree, and the galvanizing by dipping time is 30-60 seconds.Using this patent
It is zinc-plated use alloy, under the low temperature environment of 360-450 degree, so that it may with interior in high silicon content activity steel surface in 15-20 seconds
The coating that thickness is 50-80 microns in hot-dip.The material after to high silicon content active steel galvanizing by dipping, steel wire can with
Further undergauge in drawing deformation afterwards, tube reducing take off than that can reach 30-50% without the excessive deformation of zinc coat occurs
It falls.Thus, which also has outstanding deformation plasticity other than with extremely excellent bond strength.Due to operating temperature
Low, the hot dipping time is short, and energy-saving effect is apparent.Convenient for operation, year consuming fund is also less, for the head in galvanizing by dipping production
Choosing method.
（4）This alloy can significantly improve resistance to corrosion of the zinc pot to hot-dip galvanizing bath.In common galvanizing by dipping
At temperature and environment, the corrosion resistance of zinc pot can be made to improve nearly 10 times using this alloy.By observing for a long time,
Within the temperature range of 360-450 degree, corrosion rate of the zinc pot in zinc liquid is 0.2mm/.Thus thickness is the zinc of 40-50mm
Pot, service life can reach 10 years or more after the alloy using this patent.In the near future, as more engineer applications are led
Domain is expanded, such novel alloy will be used widely in more galvanizings by dipping.
Specific implementation mode
Embodiment 1
It is a kind of to use the kirsite containing Ba and Y for reducing zinc crucible corrosion in galvanizing by dipping in 360-450 degree.By weight percentage,
The chemical composition of alloy is：Ba： 0.4wt.%,Os:0.2wt.% ,Si:1.5wt.%,Ge：2.0wt.%, Y:0.4wt.%, Mo:
1.0wt.%, surplus are zinc.The preparation method of alloy：As above the raw material matched is added in the electric induction furnace of atmosphere protection, and
Using silicon carbide crucible；Sensing heating forms alloy solution to 500-600 degree, and is sufficiently stirred 10 points using electromagnetic agitation effect
Clock or so；By alloy liquid 500-600 degree heat preservation stand be cast to after ten minutes heat top same level equipment in carry out it is semicontinuous
It is cast as required billet, it is 5-8m/min that ingot casting, which moves down speed,.The ingot casting can regard galvanizing by dipping raw material for follow-up
The galvanizing by dipping of process handles to carry out protection operation to steel wire, and the wherein operating temperature of galvanizing by dipping is 360-450 degree, hot dipping
Time is 15-20 seconds.
Using this alloy, under the low temperature environment of 360-450 degree, so that it may with active in high silicon content within the 15-20 seconds
The coating that thickness is 50-80 microns in steel surface hot-dip.Since operating temperature is low, the hot dipping time is short, and energy-saving effect is apparent.Just
In operation, year consuming fund is also less, for the prefered method in galvanizing by dipping production.This alloy can significantly improve zinc
Resistance to corrosion of the pot to hot-dip galvanizing bath.At common galvanizing by dipping temperature and environment, zinc pot can be made using this alloy
Corrosion resistance improve it is nearly 10 times.By observing for a long time, within the temperature range of 360-450 degree, zinc pot is in zinc liquid
Corrosion rate be 0.2mm/.Thus thickness is the zinc pot of 40-50mm, and service life can reach after the alloy using this patent
By 10 years or more.
Embodiment 2
It is a kind of to use the kirsite containing Ba and Y for reducing zinc crucible corrosion in galvanizing by dipping in 360-450 degree.By weight percentage,
The chemical composition of alloy is：Ba： 0.6wt.%,Os: 0.3wt.% ,Si:1.8wt.%,Ge：2.4wt.%, Y:0.4wt.%,
Mo:1.2wt.%, surplus are zinc.The preparation method of alloy：As above the raw material matched is added to the electric induction furnace of atmosphere protection
It is interior, and use silicon carbide crucible；Sensing heating forms alloy solution to 500-600 degree, and is fully stirred using electromagnetic agitation effect
It mixes 10 minutes or so；Alloy liquid is stood to be cast to after ten minutes in the same level equipment of heat top in the heat preservation of 500-600 degree and is carried out
At required billet, it is 5-8m/min that ingot casting, which moves down speed, for semi-continuous casting.The ingot casting can regard galvanizing by dipping raw material and use
It is handled in the galvanizing by dipping of subsequent handling to carry out protection operation to steel wire, the wherein operating temperature of galvanizing by dipping is 360-450
Degree, hot dipping time are 15-20 seconds.
Using this alloy, under the low temperature environment of 360-450 degree, so that it may with active in high silicon content within the 15-20 seconds
The coating that thickness is 50-80 microns in steel surface hot-dip.Since operating temperature is low, the hot dipping time is short, and energy-saving effect is apparent.Just
In operation, year consuming fund is also less, for the prefered method in galvanizing by dipping production.This alloy can significantly improve zinc
Resistance to corrosion of the pot to hot-dip galvanizing bath.At common galvanizing by dipping temperature and environment, zinc pot can be made using this alloy
Corrosion resistance improve it is nearly 10 times.By observing for a long time, within the temperature range of 360-450 degree, zinc pot is in zinc liquid
Corrosion rate be 0.2mm/.Thus thickness is the zinc pot of 40-50mm, and service life can reach after the alloy using this patent
By 10 years or more.
Embodiment 3
It is a kind of to use the kirsite containing Ba and Y for reducing zinc crucible corrosion in galvanizing by dipping in 360-450 degree.By weight percentage,
The chemical composition of alloy is：Ba： 0.8wt.%,Os: 0.3wt.% ,Si: 2.0wt.%,Ge：2.5wt.%, Y: 0.5wt.%,
Mo:1.2wt.%, surplus are zinc.The preparation method of alloy：As above the raw material matched is added to the electric induction furnace of atmosphere protection
It is interior, and use silicon carbide crucible；Sensing heating forms alloy solution to 500-600 degree, and is fully stirred using electromagnetic agitation effect
It mixes 10 minutes or so；Alloy liquid is stood to be cast to after ten minutes in the same level equipment of heat top in the heat preservation of 500-600 degree and is carried out
At required billet, it is 5-8m/min that ingot casting, which moves down speed, for semi-continuous casting.The ingot casting can regard galvanizing by dipping raw material and use
It is handled in the galvanizing by dipping of subsequent handling to carry out protection operation to steel wire, the wherein operating temperature of galvanizing by dipping is 360-450
Degree, hot dipping time are 15-20 seconds.
Using this alloy, under the low temperature environment of 360-450 degree, so that it may with active in high silicon content within the 15-20 seconds
The coating that thickness is 50-80 microns in steel surface hot-dip.Since operating temperature is low, the hot dipping time is short, and energy-saving effect is apparent.Just
In operation, year consuming fund is also less, for the prefered method in galvanizing by dipping production.This alloy can significantly improve zinc
Resistance to corrosion of the pot to hot-dip galvanizing bath.At common galvanizing by dipping temperature and environment, zinc pot can be made using this alloy
Corrosion resistance improve it is nearly 10 times.By observing for a long time, within the temperature range of 360-450 degree, zinc pot is in zinc liquid
Corrosion rate be 0.2mm/.Thus thickness is the zinc pot of 40-50mm, and service life can reach after the alloy using this patent
By 10 years or more.
Claims (3)
1. a kind of reducing the kirsite containing Ba and Y that zinc crucible corrodes in galvanizing by dipping；According to weight percent, the ingredient of the alloy
For：Ba： 0.4-0.8wt.%,Os:0.2-0.3wt.% ,Si:1.5-2.0wt.%,Ge：2.0-2.5wt.%, Y:0.4-
0.5wt.%, Mo:1.0-1.2wt.%, surplus are zinc.
2. reducing the kirsite containing Ba and Y that zinc crucible corrodes in galvanizing by dipping according to claim 1, it is characterised in that including such as
Lower step：As above the raw material matched is added in the electric induction furnace of atmosphere protection, and uses silicon carbide crucible；Sensing heating arrives
500-600 degree forms alloy solution, and is sufficiently stirred 10 minutes or so using electromagnetic agitation effect；By alloy liquid in 500-
600 degree of heat preservations, which stand to be cast to after ten minutes in the same level equipment of heat top, carries out semi-continuous casting into required billet, ingot casting
It is 5-8m/min to move down speed.
3. reducing the kirsite containing Ba and Y that zinc crucible corrodes in galvanizing by dipping according to claim 1, it is characterised in that comprising such as
Lower procedure of processing：The ingot casting can be handled for the galvanizing by dipping of subsequent handling to be protected to steel wire as galvanizing by dipping raw material
Shield operation, the wherein operating temperature of galvanizing by dipping are 360-450 degree, and the hot dipping time is 15-20 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810440568.3A CN108396185A (en) | 2018-05-10 | 2018-05-10 | The kirsite containing Ba and Y that zinc crucible corrodes in a kind of reduction galvanizing by dipping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810440568.3A CN108396185A (en) | 2018-05-10 | 2018-05-10 | The kirsite containing Ba and Y that zinc crucible corrodes in a kind of reduction galvanizing by dipping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108396185A true CN108396185A (en) | 2018-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810440568.3A Withdrawn CN108396185A (en) | 2018-05-10 | 2018-05-10 | The kirsite containing Ba and Y that zinc crucible corrodes in a kind of reduction galvanizing by dipping |
Country Status (1)
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| CN (1) | CN108396185A (en) |
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2018
- 2018-05-10 CN CN201810440568.3A patent/CN108396185A/en not_active Withdrawn
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Application publication date: 20180814 |