CN106319418A - Continuous hot dip galvanized titanium alloy steel plate producing method - Google Patents
Continuous hot dip galvanized titanium alloy steel plate producing method Download PDFInfo
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- CN106319418A CN106319418A CN201610749110.7A CN201610749110A CN106319418A CN 106319418 A CN106319418 A CN 106319418A CN 201610749110 A CN201610749110 A CN 201610749110A CN 106319418 A CN106319418 A CN 106319418A
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- 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
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- 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
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
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- 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
- C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
- C23C2/16—Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
- C23C2/18—Removing excess of molten coatings from elongated material
- C23C2/20—Strips; Plates
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- 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
- C23C2/26—After-treatment
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- Coating With Molten Metal (AREA)
Abstract
The invention discloses a continuous hot dip galvanized titanium alloy steel plate producing method. The method includes the following steps that a plating solution is prepared; chemical degreasing treatment of a base plate is performed; electrolytic degreasing treatment is performed; thermal treatment is performed; the front surface and back surface of the base plate already subjected to the thermal treatment are uniformly dip-coated with the stand-by plating solution; as for a galvanized titanium alloy steel plate dip-coated with the plating solution, the plating thickness is controlled through an air knife; the galvanized titanium alloy steel plate is subjected to cold treatment through a fan; the galvanized titanium alloy steel plate already subjected to air cooling treatment is subjected to finishing through a finishing machine; the galvanized titanium alloy steel plate obtained after being subjected to finishing is subjected to withdrawal straightening treatment through a withdrawal straightening machine; the galvanized titanium alloy steel plate obtained after being subjected to withdrawal straightening treatment is subjected to passivating treatment through a passivating coater; and the galvanized titanium alloy steel plate obtained after being subjected to passivating treatment is subjected to drying treatment. The continuous hot dip galvanized titanium alloy steel plate producing method is simple in manufacturing process, low in manufacturing cost and capable of effectively improving the surface quality and corrosion resistance of the galvanized plate, the salt spray test time is greatly prolonged, and the raw materials are convenient to obtain.
Description
Technical field
The present invention relates to steel belt plate coating field of compound material, particularly relate to a kind of continuous hot-dipping galvanizing titanium alloy plate
Production method.
Background technology
Hot-dip is called for short hot dip, is to be dipped in plated metal material in other relatively low liquid metal of fusing point or alloy to carry out
The method of coating.The basic feature of the method is to have alloy to be formed between parent metal and coated metal, therefore, hot-dip coated
It is made up of alloying metal and coated metal.Plated metal material is generally steel, cast iron and rustless steel etc..
Typical production technology is Sendzimir method, during Sendzimir method produces continuous hot dip galvanizing process, and plating
Zinc pot temperature reaches for 460-490 DEG C, and Zn content is more than 99%, remaining aluminum, antimony, in the case of rare earth element is trace element, produces
The heat zinc coating plate surface zinc gone out is spent greatly, poor corrosion resistance, and the time of the galvanized steel plain sheet salt spray test that this technique produces is short, is only
50-90 hour.
Summary of the invention
The technical problem that present invention mainly solves is to provide the production method of a kind of continuous hot-dipping galvanizing titanium alloy plate, energy
Effectively improving the surface quality of galvanized sheet, make the decay resistance of galvanized sheet improve 3 ~ 5 times, the time of salt spray test prolongs significantly
Long, the time of salt spray test is 150 ~ 300 hours.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provide a kind of continuous hot-dipping galvanizing titanium
The production method of alloy-steel plate, uses following processing step:
(1) configuration of plating solution: take zinc ingot metal 98.5 ~ 99.5 parts, 0.03 ~ 1 part of titanium ingot, rare earth alloy 0.05 ~ 0.5 part add hot melt
Change, stand-by；
(2) substrate chemistry ungrease treatment: prepare aqueous slkali in solution tank, puts into substrate solution tank and carries out chemical degreasing
Processing, defat speed is: 120 ~ 150m/min；
(3) electrolytic degreasing processes: prepare aqueous slkali in another solution tank, is placed on by the above-mentioned substrate processed through chemical degreasing
Carrying out electrolytic degreasing in this solution tank, defat speed is: 120 ~ 150 m/min；
(4) heat treatment: above-mentioned substrate after electrolytic degreasing processes first is carried out the pre-heat treatment, then carries out fast heat treatment；
(5) by plating solution stand-by in the uniform dip-coating of tow sides of above-mentioned heat treated substrate, processing speed is: 120 ~
150 m/min；
(6) the above-mentioned zinc-plated titanium alloy plate carrying out dip-coating plating solution is controlled under air knife the thickness of coating, air pressure
It is 0.008 ~ 0.01MPa, thickness of coating 40 ~ 200 grams/m；
(7) by above-mentioned zinc-plated titanium alloy plate through blower fan cold treatment；
(8) by the above-mentioned zinc-plated titanium alloy plate through air-cooled process at polishing machine under carry out finishing；
(9) by the above-mentioned zinc-plated titanium alloy plate through finishing at withdrawal straightening machine under carry out straightening process；
(10) it is passivated processing under passivation coating machine by the above-mentioned zinc-plated titanium alloy plate through straightening；
(11) the above-mentioned zinc-plated titanium alloy plate through Passivation Treatment is carried out drying and processing.
In a preferred embodiment of the present invention, in step (1), zinc ingot metal, titanium ingot and rare earth alloy add in induction heater
Heat fusing, heats fusion temperature: 460 ~ 560 DEG C, fusing time 12 ~ 18 days, plating solution temperature is: 460 ~ 560 DEG C.
In a preferred embodiment of the present invention, the rare earth alloy in step (1) is lanthanide rare alloy.
In a preferred embodiment of the present invention, in step (2), substrate is cold-rolled steel sheet, and the width of cold-rolled steel sheet is 1000
~ 1250mm, thickness is 0.5 ~ 2.0mm；The concentration expressed in percentage by weight of aqueous slkali is: 1 ~ 2%, and the temperature of aqueous slkali is: 70 ~ 90 DEG C.
In a preferred embodiment of the present invention, in step (3), the concentration expressed in percentage by weight of aqueous slkali is: 2 ~ 3%, solution temperature
Degree is: 70 ~ 90 DEG C.
In a preferred embodiment of the present invention, the substrate continuous annealing furnace of step (4) first carries out the pre-heat treatment, then enters
The fast heat treatment of row, preheating temperature is: 450 ~ 550 DEG C, preheating speed is: 30 ~ 120 m/min；Fast heat treatment temperature is 680 ~ 780
DEG C, fast thermal velocity is: 30 ~ 120 m/min.
In a preferred embodiment of the present invention, in step (7), chilling temperature is: 95 ~ 100 DEG C, machine speed: 120 ~ 150 m/
min。
In a preferred embodiment of the present invention, in step (8), polishing machine pressure is: 100 ~ 200 tons, machine speed be: 120 ~
150 m/min。
In a preferred embodiment of the present invention, the tension force that in step (9), straightening processes is 10 ~ 15 tons, machine speed be 120 ~
150 m/min。
In a preferred embodiment of the present invention, in step (10), passivating solution is chromic acid passivation solution, the weight of chromic acid passivation solution
Amount percentage concentration is: 30 ~ 40%, and passivation speed is: 120 ~ 150 m/min.
In a preferred embodiment of the present invention, drying temperature in step (11) is: 80 ~ 100 DEG C, drying rate is: 120
~150 m/min。
The invention has the beneficial effects as follows: manufacturing process of the present invention is simple, raw material material convenient sources, low cost of manufacture can have
Effect ground improves the surface quality of galvanized sheet, can effectively improve the corrosion resistance of galvanized sheet, make the decay resistance of galvanized sheet carry
High 3 ~ 5 times, the time of salt spray test is greatly prolonged, and the time of salt spray test is 150 ~ 300 hours.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described enforcement
Example is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, this area is common
All other embodiments that technical staff is obtained under not making creative work premise, broadly fall into the model of present invention protection
Enclose.
The raw material used in embodiments of the present invention is market and is purchased, and the equipment of employing is conventional galvanizing unit,
It is linked to be unit including induction heater, solution tank, continuous annealing furnace, hot-dip coating unit, blower fan, polishing machine and drying cabinet etc..
Embodiment 1
Cold-rolled steel sheet selected by substrate, and cold-rolled steel sheet width is 1000mm, and thickness is 2mm.
The production method of a kind of continuous hot-dipping galvanizing titanium alloy plate, uses following processing step:
(1) configuration of plating solution: take zinc ingot metal 98.6 parts, 0.9 part of titanium ingot, lanthanide rare alloy 0.5 part in induction heater
Add heat fusing, heat fusion temperature: 470 DEG C, fusing time 18 days, plating solution temperature is: 470 DEG C, stand-by；
(2) cold-rolled steel sheet chemical degreasing processes: put into the water of 100 kilograms in solution tank and the NaOH solid caustic soda of 1 kilogram prepares
NaOH aqueous slkali, the concentration expressed in percentage by weight of NaOH aqueous slkali is: the temperature of 1%, NaOH aqueous slkali is: 70 DEG C, put by cold-rolled steel sheet
Carrying out chemical degreasing process in entering solution tank, defat speed is: 120m/min；
(3) electrolytic degreasing processes: put into the water of 100 kilograms in another solution tank and the NaOH solid caustic soda of 2 kilograms prepares NaOH
Aqueous slkali, the concentration expressed in percentage by weight of NaOH aqueous slkali is: 2%, NaOH aqueous slkali temperature is: 70 DEG C, by above-mentioned at chemical degreasing
The substrate of reason carries out electrolytic degreasing in being placed on this solution tank, and defat speed is: 120 m/min；
(4) heat treatment: above-mentioned cold-rolled steel sheet after electrolytic degreasing processes first is carried out the pre-heat treatment, then carries out fast heat treatment；
Above-mentioned cold-rolled steel sheet after electrolytic degreasing processes first carries out in continuous annealing furnace the pre-heat treatment, and preheating temperature is: 450
DEG C, preheating speed is: 30 m/min；Carrying out fast heat treatment again, fast heat treatment temperature is 680 DEG C, and fast thermal velocity is: 30 m/
min；
(5) by molten for coating that above-mentioned heat treated cold-rolled steel sheet is stand-by in the uniform dip-coating of tow sides on hot-dip coating unit
Liquid, processing speed is: 120 m/min；
(6) the above-mentioned zinc-plated titanium alloy plate carrying out dip-coating plating solution is controlled under air knife the thickness of coating, air pressure
For 0.008MPa, thickness of coating 200 grams/m；
(7) by above-mentioned zinc-plated titanium alloy plate through blower fan cold treatment, chilling temperature it is: 95 DEG C, machine speed: 150 m/min；
(8) by the above-mentioned zinc-plated titanium alloy plate through air-cooled process at polishing machine under carry out finishing, polishing machine pressure is: 100 tons,
Machine speed is: 120 m/min；
(9) by the above-mentioned zinc-plated titanium alloy plate through finishing at withdrawal straightening machine under carry out straightening process, tension force is 10 tons, machine speed is
120 m/min；
(10) it is passivated processing under passivation coating machine by the above-mentioned zinc-plated titanium alloy plate through straightening, the passivation in deactivation slot
Liquid uses and adds 30 kilograms of chromic acid in 100 kg of water, and making the concentration expressed in percentage by weight of chromic acid in passivating solution is 30%, passivation speed
For: 120 m/min；
(11) the above-mentioned zinc-plated titanium alloy plate through Passivation Treatment carrying out drying and processing, drying temperature is: 80 DEG C, dry speed
Degree is: 120 m/min.
Embodiment 2
Cold-rolled steel sheet selected by substrate, and cold-rolled steel sheet width is 1250mm, and thickness is 0.5mm.
The production method of a kind of continuous hot-dipping galvanizing titanium alloy plate, uses following processing step:
(1) configuration of plating solution: take zinc ingot metal 98.8 parts, 0.8 part of titanium ingot, lanthanide rare alloy 0.4 part in induction heater
Add heat fusing, heat fusion temperature: 510 DEG C, fusing time 12 days, plating solution temperature is: 510 DEG C, stand-by；
(2) cold-rolled steel sheet chemical degreasing processes: put into the water of 100 kilograms in solution tank and the NaOH solid caustic soda of 2 kilograms prepares
NaOH aqueous slkali, the concentration expressed in percentage by weight of NaOH aqueous slkali is: the temperature of 2%, NaOH aqueous slkali is: 90 DEG C, put by cold-rolled steel sheet
Carrying out chemical degreasing process in entering solution tank, defat speed is: 150m/min；
(3) electrolytic degreasing processes: put into the water of 100 kilograms in another solution tank and the NaOH solid caustic soda of 3 kilograms prepares NaOH
Aqueous slkali, the concentration expressed in percentage by weight of NaOH aqueous slkali is: 3%, NaOH aqueous slkali temperature is: 90 DEG C, by above-mentioned through chemical degreasing
The substrate processed carries out electrolytic degreasing in being placed on this solution tank, and defat speed is: 150 m/min；
(4) heat treatment: above-mentioned cold-rolled steel sheet after electrolytic degreasing processes first is carried out the pre-heat treatment, then carries out fast heat treatment；
Above-mentioned cold-rolled steel sheet after electrolytic degreasing processes first carries out in continuous annealing furnace the pre-heat treatment, and preheating temperature is: 550
DEG C, preheating speed is: 120 m/min；Carrying out fast heat treatment again, fast heat treatment temperature is 780 DEG C, and fast thermal velocity is: 120 m/
min；
(5) by molten for coating that above-mentioned heat treated cold-rolled steel sheet is stand-by in the uniform dip-coating of tow sides on hot-dip coating unit
Liquid, processing speed is: 150 m/min；
(6) the above-mentioned zinc-plated titanium alloy plate carrying out dip-coating plating solution is controlled under air knife the thickness of coating, air pressure
For 0.01MPa, thickness of coating 40 grams/m；
(7) by above-mentioned zinc-plated titanium alloy plate through blower fan cold treatment, chilling temperature it is: 100 DEG C, machine speed: 120 m/min；
(8) by the above-mentioned zinc-plated titanium alloy plate through air-cooled process at polishing machine under carry out finishing, polishing machine pressure is: 200 tons,
Machine speed is: 150 m/min；
(9) by the above-mentioned zinc-plated titanium alloy plate through finishing at withdrawal straightening machine under carry out straightening process, tension force is 15 tons, machine speed is
150 m/min；
(10) it is passivated processing under passivation coating machine by the above-mentioned zinc-plated titanium alloy plate through straightening, the passivation in deactivation slot
Liquid uses and adds 40 kilograms of chromic acid in 100 kg of water, and making the concentration expressed in percentage by weight of chromic acid in passivating solution is 40%, passivation speed
For: 150 m/min；
(11) the above-mentioned zinc-plated titanium alloy plate through Passivation Treatment carrying out drying and processing, drying temperature is: 100 DEG C, dry
Speed is: 150 m/min.
Embodiment 3
Cold-rolled steel sheet selected by substrate, and cold-rolled steel sheet width is 1150mm, and thickness is 1mm.
The production method of a kind of continuous hot-dipping galvanizing titanium alloy plate, uses following processing step:
(1) configuration of plating solution: take zinc ingot metal 99.5 parts, 0.08 part of titanium ingot, lanthanide rare alloy 0.42 part at induction heater
In add heat fusing, heat fusion temperature: 530 DEG C, fusing time 15 days, plating solution temperature is: 530 DEG C, stand-by；
(2) cold-rolled steel sheet chemical degreasing processes: put into the water of 100 kilograms and the NaOH solid caustic soda preparation of 1.5 kilograms in solution tank
Good NaOH aqueous slkali, the concentration expressed in percentage by weight of NaOH aqueous slkali is: the temperature of 1.5%, NaOH aqueous slkali is: 80 DEG C, by cold-rolled steel
Plate is put into solution tank and is carried out chemical degreasing process, and defat speed is: 135m/min；
(3) electrolytic degreasing processes: put into the water of 100 kilograms in another solution tank and the NaOH solid caustic soda of 2.5 kilograms prepares
NaOH aqueous slkali, the concentration expressed in percentage by weight of NaOH aqueous slkali is: 2.5%, NaOH aqueous slkali temperature is: 80 DEG C, by above-mentioned through chemistry
The substrate of ungrease treatment carries out electrolytic degreasing in being placed on this solution tank, defat speed is: 135 m/min；
(4) heat treatment: above-mentioned cold-rolled steel sheet after electrolytic degreasing processes first is carried out the pre-heat treatment, then carries out fast heat treatment；
Above-mentioned cold-rolled steel sheet after electrolytic degreasing processes first carries out in continuous annealing furnace the pre-heat treatment, and preheating temperature is: 500
DEG C, preheating speed is: 90 m/min；Carrying out fast heat treatment again, fast heat treatment temperature is 740 DEG C, and fast thermal velocity is: 80 m/
min；
(5) by molten for coating that above-mentioned heat treated cold-rolled steel sheet is stand-by in the uniform dip-coating of tow sides on hot-dip coating unit
Liquid, processing speed is: 120 m/min；
(6) the above-mentioned zinc-plated titanium alloy plate carrying out dip-coating plating solution is controlled under air knife the thickness of coating, air pressure
For 0.009MPa, thickness of coating 100 grams/m；
(7) by above-mentioned zinc-plated titanium alloy plate through blower fan cold treatment, chilling temperature it is: 98 DEG C, machine speed: 135m/min；
(8) by the above-mentioned zinc-plated titanium alloy plate through air-cooled process at polishing machine under carry out finishing, polishing machine pressure is: 150 tons,
Machine speed is: 135 m/min；
(9) by the above-mentioned zinc-plated titanium alloy plate through finishing at withdrawal straightening machine under carry out straightening process, tension force is 13 tons, machine speed is
135 m/min；
(10) it is passivated processing under passivation coating machine by the above-mentioned zinc-plated titanium alloy plate through straightening, the passivation in deactivation slot
Liquid uses and adds 35 kilograms of chromic acid in 100 kg of water, and making the concentration expressed in percentage by weight of chromic acid in passivating solution is 35%, passivation speed
For: 135 m/min；
(11) the above-mentioned zinc-plated titanium alloy plate through Passivation Treatment carrying out drying and processing, drying temperature is: 100 DEG C, dry
Speed is: 150 m/min.
Manufacturing process of the present invention is simple, raw material material convenient sources, and low cost of manufacture can improve the surface of galvanized sheet effectively
Quality, can improve the corrosion resistance of galvanized sheet effectively, make galvanized sheet decay resistance improve 3 ~ 5 times, salt spray test time
Between be greatly prolonged, the time of salt spray test is 150 ~ 300 hours.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description is made convert, or are directly or indirectly used in other relevant technology neck
Territory, is the most in like manner included in the scope of patent protection of the present invention.
Claims (10)
1. the production method of a continuous hot-dipping galvanizing titanium alloy plate, it is characterised in that use following processing step:
(1) configuration of plating solution: take zinc ingot metal 98.5 ~ 99.5 parts, 0.03 ~ 1 part of titanium ingot, rare earth alloy 0.05 ~ 0.5 part add hot melt
Change, stand-by；
(2) substrate chemistry ungrease treatment: prepare aqueous slkali in solution tank, puts into substrate solution tank and carries out chemical degreasing
Processing, defat speed is: 120 ~ 150m/min；
(3) electrolytic degreasing processes: prepare aqueous slkali in another solution tank, is placed on by the above-mentioned substrate processed through chemical degreasing
Carrying out electrolytic degreasing in this solution tank, defat speed is: 120 ~ 150 m/min；
(4) heat treatment: above-mentioned substrate after electrolytic degreasing processes first is carried out the pre-heat treatment, then carries out fast heat treatment；
(5) by plating solution stand-by in the uniform dip-coating of tow sides of above-mentioned heat treated substrate, processing speed is: 120 ~
150 m/min；
(6) the above-mentioned zinc-plated titanium alloy plate carrying out dip-coating plating solution is controlled under air knife the thickness of coating, air pressure
It is 0.008 ~ 0.01MPa, thickness of coating 40 ~ 200 grams/m；
(7) by above-mentioned zinc-plated titanium alloy plate through blower fan cold treatment；
(8) by the above-mentioned zinc-plated titanium alloy plate through air-cooled process at polishing machine under carry out finishing；
(9) by the above-mentioned zinc-plated titanium alloy plate through finishing at withdrawal straightening machine under carry out straightening process；
(10) it is passivated processing under passivation coating machine by the above-mentioned zinc-plated titanium alloy plate through straightening；
(11) the above-mentioned zinc-plated titanium alloy plate through Passivation Treatment is carried out drying and processing.
The production method of continuous hot-dipping galvanizing titanium alloy plate the most according to claim 1, it is characterised in that step (1)
Middle zinc ingot metal, titanium ingot and rare earth alloy add heat fusing, heating fusion temperature: 460 ~ 560 DEG C, fusing time 12 in induction heater
~ 18 days, plating solution temperature was: 460 ~ 560 DEG C.
The production method of continuous hot-dipping galvanizing titanium alloy plate the most according to claim 1, it is characterised in that step (2)
Middle substrate is cold-rolled steel sheet, and the width of cold-rolled steel sheet is 1000 ~ 1250mm, and thickness is 0.5 ~ 2.0mm；The weight percent of aqueous slkali
Concentration is: 1 ~ 2%, and the temperature of aqueous slkali is: 70 ~ 90 DEG C.
The production method of continuous hot-dipping galvanizing titanium alloy plate the most according to claim 1, it is characterised in that step (3)
The concentration expressed in percentage by weight of middle aqueous slkali is: 2 ~ 3%, and solution temperature is: 70 ~ 90 DEG C.
The production method of continuous hot-dipping galvanizing titanium alloy plate the most according to claim 1, it is characterised in that step (4)
Substrate continuous annealing furnace in first carry out the pre-heat treatment, then carry out fast heat treatment, preheating temperature is: 450 ~ 550 DEG C, preheating speed
For: 30 ~ 120 m/min；Fast heat treatment temperature is 680 ~ 780 DEG C, and fast thermal velocity is: 30 ~ 120 m/min.
The production method of continuous hot-dipping galvanizing titanium alloy plate the most according to claim 1, it is characterised in that step (7)
Middle chilling temperature is: 95 ~ 100 DEG C, machine speed: 120 ~ 150 m/min.
The production method of continuous hot-dipping galvanizing titanium alloy plate the most according to claim 1, it is characterised in that step (8)
Middle polishing machine pressure is: 100 ~ 200 tons, machine speed be: 120 ~ 150 m/min.
The production method of continuous hot-dipping galvanizing titanium alloy plate the most according to claim 1, it is characterised in that step (9)
The tension force that middle straightening processes is 10 ~ 15 tons, machine speed is 120 ~ 150 m/min.
The production method of continuous hot-dipping galvanizing titanium alloy plate the most according to claim 1, it is characterised in that step (10)
Middle passivating solution is chromic acid passivation solution, and the concentration expressed in percentage by weight of chromic acid passivation solution is: 30 ~ 40%, and passivation speed is: 120 ~ 150 m/
min。
The production method of continuous hot-dipping galvanizing titanium alloy plate the most according to claim 1, it is characterised in that step
(11) drying temperature in is: 80 ~ 100 DEG C, drying rate is: 120 ~ 150 m/min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108588610A (en) * | 2018-06-13 | 2018-09-28 | 无锡银荣板业有限公司 | A kind of process of surface of steel plate continuous hot-dipping galvanizing titanium alloy |
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| JP2003055750A (en) * | 2001-08-13 | 2003-02-26 | Nisshin Steel Co Ltd | Hot dip galvanized steel pipe having excellent corrosion resistance |
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| CN108588610A (en) * | 2018-06-13 | 2018-09-28 | 无锡银荣板业有限公司 | A kind of process of surface of steel plate continuous hot-dipping galvanizing titanium alloy |
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