CN107532271A - The manufacture device and manufacture method of hot-dip metal plated steel band - Google Patents
The manufacture device and manufacture method of hot-dip metal plated steel band Download PDFInfo
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- CN107532271A CN107532271A CN201680022555.3A CN201680022555A CN107532271A CN 107532271 A CN107532271 A CN 107532271A CN 201680022555 A CN201680022555 A CN 201680022555A CN 107532271 A CN107532271 A CN 107532271A
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- steel band
- gas
- temperature
- hot
- metal plated
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 124
- 239000010959 steel Substances 0.000 title claims abstract description 124
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 59
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 58
- 239000002184 metal Substances 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims description 21
- 239000011248 coating agent Substances 0.000 claims abstract description 30
- 238000000576 coating method Methods 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000005259 measurement Methods 0.000 claims description 28
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 239000011810 insulating material Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 36
- 239000000377 silicon dioxide Substances 0.000 abstract description 18
- 230000007547 defect Effects 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 138
- 230000000052 comparative effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 210000001331 nose Anatomy 0.000 description 5
- 239000002912 waste gas Substances 0.000 description 5
- 229910001335 Galvanized steel Inorganic materials 0.000 description 4
- 239000008397 galvanized steel Substances 0.000 description 4
- 239000011490 mineral wool Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000000137 annealing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005246 galvanizing Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- C23C2/003—Apparatus
-
- 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
-
- 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
-
- 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
-
- 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
- C23C2/40—Plates; Strips
-
- 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
- C23C2/50—Controlling or regulating the coating processes
- C23C2/51—Computer-controlled implementation
-
- 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
- C23C2/50—Controlling or regulating the coating processes
- C23C2/52—Controlling or regulating the coating processes with means for measuring or sensing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Computer Hardware Design (AREA)
- Coating With Molten Metal (AREA)
Abstract
The present invention provides the generation that can also suppress the coating surface defect caused by splash, top layer scum silica frost in the case that various changes occur for operating condition so as to stably manufacture the manufacture device of the hot-dip metal plated steel band of the hot-dip metal plated steel band of high-quality.The manufacture device (100) of the hot-dip metal plated steel band of the present invention is characterised by having：A pair of the gas wiping nozzles (20A) being adjusted to the coating adhesion amount on the two sides of steel band (P), (20B), gas supply mechanism (22), gas temperature adjustment mechanism (24), configure the baffle plate (26) in the steel band elongated surfaces near the width end of steel band (P), it is arranged on its temperature sensor (28) at least on one side and the control unit of gas temperature adjustment mechanism (24) (30) is controlled based on the output of the temperature sensor (28).
Description
Technical field
The present invention relates to the manufacture device of hot-dip metal plated steel band and manufacture method, more particularly to the coating to steel strip surface
The airblast that adhesion amount is adjusted.
Background technology
In continuously dip coat Metal Production line, as shown in figure 4, the steel band after being annealed in the continuous annealing furnace of reducing atmosphere
P is out of stove nose 10 by being continuously directed into the bath of molten metal 14 in coating bath 12.Then, by steel band P via melting
Sinking roller 16, the top of backing roll 18 to bath of molten metal 14 in metal bath 14 are mentioned, using gas wiping nozzle 20A,
20B is adjusted to predetermined thickness of coating, cooling, is directed to subsequent handling.Gas wiping nozzle 20A, 20B are on coating bath 12
Side clips steel band P to being configured to ground, from its jet to steel band P two sides blowing gas.By the airblast, unnecessary is molten
Melt metal to be scraped, be adjusted the coating adhesion amount of steel strip surface, and the molten metal for being attached to steel strip surface is existed
Become uniform on plate width direction and plate length direction.Gas wiping nozzle 20A, 20B are corresponding with diversified width of steel band,
And the position skew of width when lifting with steel band etc. is corresponding, and therefore, typically comprising must be longer than width of steel band, extension
To the outside of the width end of steel band.
In such airblast mode, there are the following problems：Produce the disorder of the gas jet because being collided with steel band
And falling molten metal and to below steel band, the so-called splash that disperses, it is attached to steel strip surface and causes plating steel
The decline of the surface quality of band.Pressure of the raising from gas wiping nozzle injection to the gas of steel strip surface is (hreinafter referred to as
" gas pressure ") when, the splash produce the problem of it is more notable.In addition, there is a problem in that：The splash to disperse is fallen
Into coating bath, top layer scum silica frost (top dross) is formed, thus, causes the decline of the surface quality of coated steel strip, and need to make
Industry personnel remove top layer scum silica frost.
In the continuously manufacturing of steel band, in order that output increases, steel band plate speed (linear velocity) can be increased.
But in the case of being adjusted in continuously dip coat technique using airblast mode to coating adhesion amount, if increase line
Speed, then cause the firm adhesion amount increase at initial stage by after plating bath of steel band because of the viscosity of molten metal.Therefore, for general
Coating adhesion amount is adjusted to, it is necessary to which gas pressure to be set as to higher pressure, thus, splash significantly increases in certain limit
Add.
In addition, in the case where intending to reduce coating adhesion amount, it is also effective, but such case to improve gas pressure
Under, splash is also significantly increased.
In order to solve the problems, such as above-mentioned generation splash, it is proposed that make the gas from gas wiping nozzle injection to steel strip surface
Body high temperature is so as to improving the technology of wiping ability.A kind of manufacture method of hot-dip metal plated steel band has been recorded in patent document 1,
Wherein, using by main burner and the airblast formed in its a pair of auxiliary jet setting up and down, the gas that will be sprayed from auxiliary jet
The temperature of body is set as the temperature of high more than 50 DEG C of the temperature of less than 500 DEG C and the gas than being sprayed from main burner.In patent
A kind of hot-dip coating attachment amount control method has been recorded in document 2, wherein, the burning comprising the inside by wiping nozzle is produced
Burning gases exit of the gas to make wiping nozzle gas temperature be more than 300 DEG C in a manner of be blown.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2009-203500 publications
Patent document 2：Japanese Unexamined Patent Publication 2009-263698 publications
The content of the invention
Invent problem to be solved
If improving wiping ability using the technology of patent document 1,2, gas pressure need not be correspondingly improved, therefore,
It can help to the reduction of splash.But it is the gas temperature to the exit of gas wiping nozzle in patent document 1,2
Degree Ty provided, present inventors have recognized that it is in this case caused as described below the problem of.That is, sprayed from gas wiping nozzle
The gas gone out mixes with the air of surrounding and temperature gradually reduces.Therefore, in the remote feelings of the distance of gas wiping nozzle and steel band
Under condition, the gas temperature T at the steel band point of impingement (stationary point (shallow lake body point)) place is reduced to close to normal temperature, by being heated and band to gas
The effect come disappears.In addition, the temperature reductions of gas depend not only upon nozzle-steel spacing interval between shelterbelt, also rely on gas pressure,
The conditions such as nozzle angle, these operating conditions change sometimes according to product.Therefore, even if gas by nozzle exit
Temperature Ty is set as predetermined temperature, and the gas temperature at stationary point is different also according to operating condition, as a result, splash
Yield and top layer scum silica frost yield are also different.In addition, even if the gas temperature Ty of nozzle exit is set as into predetermined temperature,
Accurately predict that the gas temperature T at stationary point is also extremely difficult.
Therefore, in view of the above problems, it is an object of the invention to provide the situation that various changes occur even in operating condition
Under can also suppress the coating surface defect caused by splash, top layer scum silica frost generation so as to stably manufacture high-quality heat
The manufacture device and manufacture method of the hot-dip metal plated steel band of metal coated steel strip.
For solving the method for problem
Manufacture device and manufacture in the hot-dip metal plated steel band for the adjustment that coating adhesion amount is carried out using gas wiping nozzle
In method, in order to solve the above problems, inventors believe that needing accurately to predict the gas temperature T at stationary point and being managed
Reason is within the preferred predetermined temperature range.Therefore, it is contemplated that configured in the steel band elongated surfaces near the width end of steel band
Baffle plate, temperature sensor is configured thereon.Temperature T ' using the temperature sensor measurement on the baffle plate and the gas at stationary point
Temperature T is substantially equal, and the gas temperature T at stationary point is accurately predicted therefore, it is possible to live (in-situ).And it was found that
Based on measurement temperature T ', to the temperature (that is, the gas temperature determined after just being come out from gas-heating apparatus) of the gas of injection
Feedback control is carried out so as to which the gas temperature T (being the temperature T ' using temperature sensor measurement for strict) at stationary point be managed
Within the preferred predetermined temperature range, thus, it is possible to solve the above problems.
The present invention is completed by above-mentioned opinion, and its purport forms as described below.
(1) a kind of manufacture device of hot-dip metal plated steel band, it is characterised in that have：
Clip from the steel band that bath of molten metal is continuously mentioned to being configured to ground, from outlet to above-mentioned steel band blowing gas
And to a pair of gas wiping nozzles that the coating adhesion amount on the two sides of above-mentioned steel band is adjusted；
Above-mentioned gas are wiped with the feed mechanism of nozzle supply above-mentioned gas；
The gas temperature that the temperature of the gas supplied from above-mentioned feed mechanism to above-mentioned gas wiping nozzle can be changed is adjusted
Complete machine structure；
Configuration avoids wiping from above-mentioned a pair of gas in the steel band elongated surfaces near the width end of above-mentioned steel band
Wipe the baffle plate of the collision between the gas of nozzle injection；
It is arranged on the temperature sensor at least on one side of above-mentioned baffle plate；With
Exporting to control the control unit of above-mentioned gas temperature adjusting mechanism based on said temperature sensor.
(2) manufacture device of the hot-dip metal plated steel band described in (1) as described above, wherein, above-mentioned control unit is utilizing above-mentioned temperature
Control above-mentioned gas temperature adjusting mechanism in the case of the temperature departure preset range set in advance of degree sensor measure and change
Become supply to above-mentioned gas wiping nozzle gas temperature, make using said temperature sensor measure temperature fall into it is above-mentioned pre-
Determine in scope.
(3) manufacture device of the hot-dip metal plated steel band described in (1) or (2) as described above, wherein, above-mentioned baffle plate and above-mentioned steel band
Width end beeline for 1mm less than 10mm.
(4) manufacture device of the hot-dip metal plated steel band any one of (1)~(3) as described above, wherein, have make it is above-mentioned
Movable agency of the baffle plate apart from the alterable height in the bath face of above-mentioned bath of molten metal.
(5) manufacture device of the hot-dip metal plated steel band any one of (1)~(4) as described above, wherein, above-mentioned baffle plate by
Thermal conductivity is 1Wm-1·K-1Following material is formed.
(6) manufacture device of the hot-dip metal plated steel band any one of (1)~(5) as described above, wherein, in above-mentioned baffle plate
Heat-insulating material is configured between said temperature sensor.
(7) a kind of manufacture method of hot-dip metal plated steel band, it uses the hot dip gold any one of above-mentioned (1)~(6)
Belonging to the manufacture device of steel band, the manufacture method is characterised by,
Supply is controlled to the temperature of the gas of above-mentioned gas wiping nozzle in the output based on said temperature sensor
Meanwhile above-mentioned gas are blown to the steel band continuously mentioned from above-mentioned bath of molten metal from above-mentioned a pair of gas wiping nozzles,
The coating adhesion amount on the two sides of above-mentioned steel band is adjusted.
Invention effect
Even in operating condition various changes occur for the manufacture device and manufacture method of the hot-dip metal plated steel band of the present invention
In the case of can also suppress the generation of the coating surface defect caused by splash, top layer scum silica frost so as to stably manufacture high-quality
Hot-dip metal plated steel band.
Brief description of the drawings
Fig. 1 is the composition for the manufacture device 100 for representing the hot-dip metal plated steel band based on an embodiment of the invention
Schematic diagram.
Fig. 2 is the solid for representing the composition near in the manufacture device 100 shown in Fig. 1, steel band P width end
Figure.
Fig. 3 is the amplification of in the manufacture device 100 shown in Fig. 1, gas wiping nozzle 20A leading section and baffle plate 26
Figure.
Fig. 4 is the schematic diagram of the composition for the manufacture device for representing existing hot-dip metal plated steel band.
Fig. 5 is the figure for representing splash generation rate and its standard deviation in comparative example and example.
Fig. 6 is the figure for representing top layer scum silica frost yield and its standard deviation in comparative example and example.
Embodiment
With reference to figure 1~3, to the manufacture device 100 of the hot-dip metal plated steel band based on an embodiment of the invention (with
Under, also referred to as " manufacture device ") and manufacture method illustrate.
With reference to figure 1, the manufacture device 100 of present embodiment has stove nose 10, coating bath 12, sinking roller 16 and backing roll 18.
Stove nose 10 is the component of rectangular cross-section divided to the steel band P spaces passed through, vertical with steel band direct of travel, its
Front end is impregnated in the bath of molten metal 14 formed in coating bath 12.In one embodiment, in the continuous annealing of reducing atmosphere
Steel band P after being annealed in stove is out of stove nose 10 by being continuously directed into the bath of molten metal 14 in coating bath 12.Then,
Steel band P is mentioned via the sinking roller 16 in bath of molten metal 14, the top of backing roll 18 to bath of molten metal 14, utilizes one
Gas wiping nozzle 20A, 20B are adjusted to predetermined thickness of coating, cools down, is directed to subsequent handling.
A pair of gas wiping nozzle 20A, 20B (hereinafter also referred to as " nozzle ") clipped above coating bath 12 steel band P to
Ground configures.With reference to figure 3, nozzle 20A exports (jet 34) to steel band P blowing gas from it, attached to the coating on the surface of steel band
The amount of wearing is adjusted.Another nozzle 20B is also same, using such a pair of nozzles 20A, 20B, by unnecessary molten metal
Wipe off, be adjusted the coating adhesion amount on steel band P two sides, and become uniform on plate width direction and plate length direction.
As shown in Fig. 2 nozzle 20A, 20B are corresponding with diversified width of steel band, and width when lifting with steel band
The position skew in degree direction etc. is corresponding, and therefore, typically comprising must be longer than width of steel band, extends to the width end of steel band
Outside.In addition, as shown in figure 3, nozzle 20A has top nozzle component 32A and lower nozzle arrangement 32B, such nozzle up and down
The jet 34 (nozzle slot) of gas is formed between component 32A, 32B front end.Jet 34 prolongs on the plate width direction of steel band
Stretch presence.Nozzle 20A vertical sectional shape turns into the conical by its shape to attenuate towards front end.Before upper and lower nozzle arrangement 32A, 32B
The thickness of end can be set as about 1mm~about 3mm.In addition, the A/F (slit separation) of jet is not particularly limited,
It can be set as about 0.5mm~about 2.5mm.From gas supply mechanism 22 described later supply gas from upper and lower nozzle arrangement 32A,
The gas flow path that 32B is divided from jet 34 by spraying, the surface of injection to steel band P.Another nozzle 20B also has
Same composition.
Then, gas supply mechanism 22 and gas temperature adjustment mechanism 24 are illustrated.Gas supply mechanism 22 is to spray
Mouth 20A, 20B supply gas.Gas temperature adjustment mechanism 24 has to change to be supplied to nozzle 20A, 20B from feed mechanism 22
Gas temperature function.In one embodiment, gas supply mechanism 22 has the pipe arrangement that gas passed through of normal temperature
There is heat exchanger with by the air blower of the gas pressurized to predetermined pressure, gas temperature adjustment mechanism 24.In this case, will
Gas after being pressurizeed using air blower is heated to predetermined temperature using heat exchanger, supplies to nozzle 20A, 20B.
As long as the supply of gas and the adjustment of gas temperature can change gas temperature without delay, then it is not limited to
State example.For example, can be the method for being mixed the burning waste gas of annealing furnace with air.In this case, by air profit
Predetermined pressure is forced into air blower, then, the air is mixed with burning waste gas and makes mixed gas, by the mixed gas
Supply to nozzle 20A, 20B.The adjustment of gas temperature is carried out by making the blending ratio of burning waste gas change.That is, exist
In the case of raising gas temperature, increase the ratio of burning waste gas.In this case, gas supply mechanism 22 has normal temperature
The pipe arrangement and the air blower by the air pressurized to predetermined pressure that air passed through, gas temperature adjustment mechanism 24 have make burning
The mechanism that the blending ratio of waste gas and air changes.
With reference to figure 2, in the present embodiment, gear is configured in the steel band elongated surfaces near steel band P width end
Plate 26.The baffle plate 26 is configured between a pair of nozzles 20A, 20B, is avoided between the gas of a pair of nozzles 20A, 20B injection
Collision, thus, contributes to the reduction of splash.In Fig. 2, it is illustrated that configuration is near steel band P width one side end
Baffle plate 26, but in the present embodiment, baffle plate is each configured near the end of the both sides in width of steel band direction, from avoiding gas
From the viewpoint of the collision of body, preferred which.
The shape of baffle plate 26 is not particularly limited, preferred rectangle as shown in Figure 2, preferably wherein two sides and steel band P width
The bearing of trend of degree direction end abreast configures.On the thickness of slab of baffle plate 26, baffle plate is set to shake from preventing gas from colliding
It is dynamic etc. to ensure suitably to determine from the viewpoint of rigidity, for example, it can be set to in the range of 4~10mm.
Baffle plate 26 is set to prevent performance from more improving closer to steel band P, splash.From this viewpoint, baffle plate 26 and steel band P
The beeline D1 of width end, which greatly influences splash, prevents performance, is preferably set to 1mm less than 10mm.
When D1 is more than 10mm, the beginning of dispersing of splash is drastically obvious.When D1 is less than 1mm, the possibility that baffle plate contacts with steel band be present
Property.In addition, baffle plate 26 extends upwardly to the outside of nozzle 20A, 20B end in width of steel band side.
With reference to figure 1 and Fig. 2, in the present embodiment, temperature sensor 28A, 28B are provided with the two sides of baffle plate 26.
In addition, it is also equipped with temperature sensor on the two sides of another baffle plate (not shown).The form of temperature sensor is not special
Limit, such as the contact tehermometers such as thermocouple can be used.Using each temperature sensor, injection can be continuously determined to respectively
The temperature T ' of the gas of temperature sensor.Measurement temperature T ' is substantially equal with the gas temperature T at stationary point, therefore, it is possible to
Live (in-situ) accurately predicts the gas temperature T at stationary point.Each temperature sensor is by gas obtained from METHOD FOR CONTINUOUS DETERMINATION
Temperature T ' information is exported to control unit 30.
Control unit 30 receives the input of the information of the gas temperature T ' from the output of each temperature sensor, and gas temperature is adjusted
Mechanism 24 is controlled.Namely based on measurement temperature T ', feedback control is carried out to the temperature of the gas of injection, so as to by stationary point
Gas temperature T (for strict for utilize the temperature T ' of temperature sensor measurement) management is within the preferred predetermined temperature range.
The form of control unit 30 is not particularly limited, such as can be by the central operation processing unit (CPU) of computer-internal come real
It is existing.
Specifically, control unit 30 based on from temperature sensor transmission come measurement temperature T ' information, in the following manner
Gas temperature adjustment mechanism 24 is controlled, feedback control is carried out so as to the temperature of the gas to injection.
First, in control, using 4 measurement temperatures come from the transmission of 4 temperature sensors altogether it is average (for example,
Arithmetic average) it is used as measurement temperature T '.
In the present embodiment, from the viewpoint of splash and top layer scum silica frost is suppressed, it is important that by the gas at stationary point
Temperature T (that is, measurement temperature T ') is managed within the scope of preferred temperature.Preferable temperature range is set as bath of molten metal
Fusing point ± 100 DEG C.In the case where manufacturing hot-galvanized steel band, gas temperature T (that is, measurement temperature the T ') management at stationary point is existed
The scope of scope, i.e. 320 DEG C~520 DEG C of 420 DEG C ± 100 DEG C of the fusing point of zinc.
Therefore, the first case as control, the control that can be listed below：In order that measurement temperature T ' is all the time close to above-mentioned
Predetermined temperature (such as median) in preferred range, make gas temperature in the case where measurement temperature T ' is less than median
Degree uprises, and does not change gas temperature in the case where measurement temperature T ' is median, is higher than the feelings of median in measurement temperature T '
Make gas temperature step-down under condition.
In addition, the second case as control, the control that can be listed below：Above-mentioned preferable temperature is fallen into measurement temperature T '
In the range of when without gas temperature change, only in the case where deviateing predetermined temperature range carry out gas temperature change.
Specifically, in the case where measurement temperature T ' is less than the lower limit of preferred range, uprise gas temperature, in measure temperature
In the case of spending the upper limit that T ' exceedes preferred range, make gas temperature step-down.In this way, make to utilize temperature sensor measurement
Temperature is fallen into above-mentioned preferred range.
The interval for carrying out feedback control is not particularly limited.For example, it can continuously be passed all the time using temperature in operation
Sensor determines gas temperature, all the time by the information transmission of its measurement temperature to control unit, carries out feedback control all the time.In addition,
The measure of gas temperature can be intermittently carried out, by the information transmission of its measurement temperature to control unit, intermittently carries out feedback control
System.From more accurately manage stationary point at gas temperature T from the viewpoint of, preferably the former.
As described above as middle detailed description, supplied based on the output of temperature sensor to control to gas wiping nozzle
Gas temperature (that is, just from gas-heating apparatus come out after the gas temperature that determines) while, from a pair of nozzles 20A, 20B
To the steel band P blowing gas continuously mentioned from bath of molten metal 14, the coating adhesion amount on steel band P two sides is adjusted
It is whole.Thereby, it is possible to accurately predict the gas temperature T at stationary point, it can be maintained all the time, managed in preferable pre- constant temperature
In the range of degree.Therefore, it is possible to suppress the generation of the coating surface defect caused by splash, top layer scum silica frost, so as to stably make
The hot-dip metal plated steel band of high-quality is made, the effect is also same in the case that various changes occur for operating condition.
It should be noted that in the above-described embodiment, show and amount to 4 on the two sides of two baffle plates using configuration
The example of individual temperature sensor, but the quantity of temperature sensor can be 1,2, any of 3.In addition, in baffle plate
In the case of for 1,1 temperature sensor can be set in its one side, each 1 can also be set on its two sides, amounts to 2 temperature
Spend sensor.Using in the case of multiple temperature sensors, using each temperature sensor measurement temperature it is average (for example,
Arithmetic average) it is used as measurement temperature T '.
The manufacture device 100 of present embodiment preferably have so that the vertical direction position of baffle plate 26 follow nozzle 20A,
The mode that 20B is highly moved up and down makes baffle plate 26 apart from the movable agency of the alterable height in the bath face of bath of molten metal.Thus,
Even if changing the height of nozzle, also gas temperature can be measured to steel band P maximum crash pressure using gas all the time, because
This, can accurately control the temperature of the gas of injection.Specifically, baffle plate 26 be fixed on wipe nozzle support (do not scheme
Show).As movable agency, air compressor machine can be used as one.
Additionally, it is preferred that the edge sensor measured in the distance D1 of the installation pair of the top of baffle plate and steel band.Utilizing
Edge sensor makes baffle plate be moved up in width of steel band side while being measured to the distance untill steel band, thus, with
Reaching target interval D1 mode positions baffle plate 26.
In the present embodiment, heat-insulating material is configured preferably between baffle plate 26 and temperature sensor 28A, 28B (not scheme
Show).This is can not to determine gas temperature exactly to prevent heat to be transferred to temperature sensor from baffle plate.Heat-insulating material
Species can enumerate mineral wool, cellulose fibre, but be not particularly limited to this.
In addition, replacing configuration heat-insulating material or on the basis of heat-insulating material, the material for making baffle plate 26 is low heat conductivity
Material also there is same effect.From this viewpoint, baffle plate is 1Wm preferably by thermal conductivity-1·K-1Following material structure
Into.For example, the material of low heat conductivity can enumerate the ceramics such as aluminum oxide, carborundum, but it is not particularly limited to this.
With reference to figure 3, the distance D2 of spray nozzle front end and steel strip surface is preferably set to 3~40mm scope.D2 is more than 3mm
When, the spray nozzle clogging caused by splash is not likely to produce, when being below 40mm, the gas for realizing target adhesion amount can be reduced
Body pressure, as a result, the heating amount of gas can be cut down.
With reference to figure 3, the center of the jet 34 of nozzle is preferred with the distance H of the central vertical direction of temperature sensor 28
It is set as 0~5mm scope.When H is below 5mm, injection can be more accurately determined to the temperature of the gas of temperature sensor
T’。
The hot-dip metal plated steel band manufactured as the manufacture device by the present invention and manufacture method, can enumerate hot-galvanized steel
Plate, this includes being not carried out the coated steel sheet (GI) of Alloying Treatment and the coated steel sheet of implementation Alloying Treatment after galvanizing is handled
Any of (GA).
Embodiment
In the production line of hot-galvanized steel band, the manufacture experiment of hot-galvanized steel band is carried out.In example 1~5, figure is used
Manufacture device shown in 1~Fig. 3, in a comparative example, use the manufacture device shown in Fig. 4.Gas wiping nozzle is used between slit
It is divided into 1.2mm nozzle.Gas injection direction setting is at a right angle with steel strip surface, the nozzle height in face will be bathed apart from galvanizing
It is set as the various height of 250~400mm scope, the distance D2 of spray nozzle front end and steel strip surface is set as 0~25mm's
The various distances of scope, by various speed of thickness of slab 0.8mm × wide 1000mm of the plate steel band using linear velocity as 120~180m/ minutes
Degree carries out logical plate, and gas pressure is set as to the various pressure of 50~100kPa scope, entered in the case where adding up to 10 kinds of operating conditions
Row experiment.Under any operating condition, so that coating adhesion amount reaches about 50g/m2The mode of steady state value set linear speed
Degree, gas pressure and distance D2.
The gas of normal temperature is utilized heat exchanger by the adjustment of method for supplying gas and gas temperature to nozzle using supply
The method for being heated to predetermined temperature and the gas after predetermined pressure being forced into using air blower.
In a comparative example, do not possess baffle plate, possess temperature sensor in jet expansion, nozzle outlet temperature Ty is maintained
Mode in the range of 320~520 DEG C is controlled to implement to test.
In example 1~5, each 1 is configured near the end of the both sides in width of steel band direction, amounts to 2 baffle plates.
Central part on its two sides is configured with each 1, amounts to 4 temperature sensors (sheath K thermocouples).The size of baffle plate is set as height
Spend (steel band direct of travel size) 50mm, width (width of steel band direction size) 200mm, thickness 5mm.The width of baffle plate and steel band
The distance D1 of direction end is set as 10mm in example 1, is set as 5mm in example 2~5.Based on by TEMP
The measurement temperature that device obtains, the gas temperature T at stationary point is predicted, feedback control is carried out to the temperature of the gas of injection.It is specific and
Speech, measurement temperature T ' is used as using the arithmetic average from 4 measurement temperatures that 4 temperature sensor transmission come altogether.Also, survey
Constant temperature degree T ' fall into 320~520 DEG C in the range of when do not change gas temperature, measurement temperature T ' be less than 320 DEG C in the case of
Gas temperature is uprised, makes gas temperature step-down in the case where measurement temperature T ' is more than 520 DEG C.Continuously carried out in operation
Above-mentioned control.
In example 1,2, it is SUS304 systems (thermal conductivity 17Wm to make baffle plate-1·K-1).In example 3,
Mineral wool is configured with as heat-insulating material between SUS304 baffle plate and temperature sensor.In example 4, make baffle plate for heat
Low oxidation aluminum (the thermal conductivity 0.20Wm of conductance-1·K-1), mineral wool work is configured between the baffle plate and temperature sensor
For heat-insulating material.In example 5, baffle plate is set to match somebody with somebody for the low oxidation aluminum of thermal conductivity between the baffle plate and temperature sensor
Mineral wool is equipped with as heat-insulating material, further using the movable agency for the alterable height for making baffle plate distance bath face.
In each example and comparative example, splash generation rate and top layer scum silica frost yield are evaluated.Splashing produce
Raw rate is set as that the steel band length for being determined to have splash defect in inspection operation passes through relative under each manufacturing condition
Steel band length ratio, including unquestioned slight splash defect in practical.Top layer scum silica frost yield is by 1
The top layer scum silica frost in bath face is floated on during hour logical plate to be picked up with handle spoon and weight obtained from being measured.In addition, on experiment
When hot dip zinc bath temperature, implement at 460 DEG C.
Splash generation rate under the conditions of will be each is shown in Figure 5.In Fig. 5, by under 10 kinds of operating conditions in comparative example
Being averaged for splash generation rate is set as 100, by being averaged for the splash generation rate under 10 kinds of operating conditions in each example
It is standardized to represent.In addition, it is also shown that the standard deviation of the splash generation rate in comparative example and each example.In addition,
Top layer scum silica frost yield and standard deviation under the conditions of will be each is shown in Figure 6.
Compared with comparative example, splash generation rate reduces example 1.In addition, standard deviation is also reduced to from 0.26
0.088, splash generation rate can be stably reduced under various operating conditions.In addition, top layer scum silica frost yield is similarly, with
Comparative example is compared, and example 1 reduces.
For example 2 compared with example 1, splash generation rate and its standard deviation and top layer scum silica frost yield are further
Reduce.It is thought that because shortening distance D1 compared with example 1, therefore, splash prevents effect from further improving.
Example 3,4 can further reduce splash yield and its standard deviation and top layer compared with example 1
Scum silica frost yield.It is thought that because injection can accurately be determined to the temperature T ' of the gas of temperature sensor.
In example 5, compared with example 3,4, can further reduce splash yield and its standard deviation and
Top layer scum silica frost yield.It is thought that because,, can by moving up and down baffle plate on the basis of the effect of heat-insulating material
Accurately temperature T ' of the measure injection to the gas of temperature sensor.
Industrial applicability
The manufacture device and manufacture method of the hot-dip metal plated steel band of the present invention, various changes occur even in operating condition
In the case of, it can also suppress the generation of the coating surface defect caused by splash, top layer scum silica frost, so as to stably manufacture Gao Pin
The hot-dip metal plated steel band of matter.
Symbol description
The manufacture device of 100 hot-dip metal plated steel bands
10 stove noses
12 coating baths
14 bath of molten metal
16 sinking rollers
18 backing rolls
20A, 20B gas wiping nozzle
22 gas supply mechanisms
24 gas temperature adjustment mechanisms
26 baffle plates
28A, 28B temperature sensor
30 control units
32A top nozzle components
Nozzle arrangement under 32B
34 jets (outlet)
P steel bands
Claims (7)
1. a kind of manufacture device of hot-dip metal plated steel band, it is characterised in that have：
Clip from the steel band that bath of molten metal is continuously mentioned to being configured to ground, it is right from outlet to the steel band blowing gas
A pair of gas wiping nozzles that the coating adhesion amount on the two sides of the steel band is adjusted；
The feed mechanism of the gas is supplied to the gas wiping nozzle；
The gas temperature adjustment machine of the temperature of the gas supplied from the feed mechanism to the gas wiping nozzle can be changed
Structure；
Configuration avoids spraying from the pair of airblast in the steel band elongated surfaces near the width end of the steel band
The baffle plate of collision between the gas of mouth injection；
It is arranged on the temperature sensor at least on one side of the baffle plate；With
Exporting to control the control unit of the gas temperature adjustment mechanism based on the temperature sensor.
2. the manufacture device of hot-dip metal plated steel band as claimed in claim 1, wherein, the control unit is passed using the temperature
Control the gas temperature adjustment mechanism in the case of the temperature departure preset range set in advance of sensor measure and change confession
To the temperature of the gas to the gas wiping nozzle, make to fall into the predetermined model using the temperature of the temperature sensor measurement
In enclosing.
3. the manufacture device of hot-dip metal plated steel band as claimed in claim 1 or 2, wherein, the width of the baffle plate and the steel band
The beeline for spending direction end is 1mm less than 10mm.
4. such as manufacture device of hot-dip metal plated steel band according to any one of claims 1 to 3, wherein, having makes the baffle plate
Apart from the movable agency of the alterable height in the bath face of the bath of molten metal.
5. such as manufacture device of hot-dip metal plated steel band according to any one of claims 1 to 4, wherein, the baffle plate is by thermal conductivity
Rate is 1Wm-1·K-1Following material is formed.
6. such as manufacture device of hot-dip metal plated steel band according to any one of claims 1 to 5, wherein, in the baffle plate and institute
State and be configured with heat-insulating material between temperature sensor.
7. a kind of manufacture method of hot-dip metal plated steel band, the hot-dip metal plated steel band any one of its usage right requirement 1~6
Manufacture device, the manufacture method is characterised by,
While the output based on the temperature sensor is supplied to the temperature of the gas of the gas wiping nozzle to control,
The gas is blown to the steel band continuously mentioned from the bath of molten metal from the pair of gas wiping nozzle, to described
The coating adhesion amount on the two sides of steel band is adjusted.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015086079A JP6044669B2 (en) | 2015-04-20 | 2015-04-20 | Manufacturing apparatus and manufacturing method for molten metal plated steel strip |
| JP2015-086079 | 2015-04-20 | ||
| PCT/JP2016/002007 WO2016170757A1 (en) | 2015-04-20 | 2016-04-13 | Production apparatus and production method for molten metal plated steel strip |
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| Publication Number | Publication Date |
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| CN107532271A true CN107532271A (en) | 2018-01-02 |
| CN107532271B CN107532271B (en) | 2020-09-22 |
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| CN201680022555.3A Active CN107532271B (en) | 2015-04-20 | 2016-04-13 | Apparatus and method for manufacturing hot-dip metal coated steel strip |
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| Country | Link |
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| EP (1) | EP3287541B1 (en) |
| JP (1) | JP6044669B2 (en) |
| CN (1) | CN107532271B (en) |
| AU (1) | AU2016252193B2 (en) |
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| WO (1) | WO2016170757A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109777979A (en) * | 2019-02-19 | 2019-05-21 | 中南大学 | A method of regulation ultra-wide aluminum alloy plate materials cross section structural homogenity |
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| JP6697418B2 (en) * | 2017-05-31 | 2020-05-20 | Ｊｆｅスチール株式会社 | High temperature gas wiping device |
| KR102471806B1 (en) * | 2018-08-22 | 2022-11-28 | 제이에프이 스틸 가부시키가이샤 | Manufacturing method of hot-dip metal plating steel strip and continuous hot-dip metal plating equipment |
| MX2021002036A (en) * | 2018-08-22 | 2021-04-28 | Jfe Steel Corp | Method for manufacturing hot-dip metal plated steel strip, and continuous hot-dip metal plating facility. |
| CN112481573B (en) * | 2020-12-18 | 2023-02-17 | 江阴市华达机械科技有限公司 | Air knife edge baffle plate assembly |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06116698A (en) * | 1992-10-06 | 1994-04-26 | Sumitomo Metal Ind Ltd | Continuous hot-dip metal plating device of steel sheet |
| JPH06172955A (en) * | 1992-12-01 | 1994-06-21 | Sumitomo Metal Ind Ltd | Plating thickness control device and method for hot-dip coated metallic sheet |
| JPH09195023A (en) * | 1996-01-11 | 1997-07-29 | Sumitomo Metal Ind Ltd | Gap variable type gas wiping nozzle device |
| JP2005256050A (en) * | 2004-03-10 | 2005-09-22 | Nisshin Steel Co Ltd | Method and apparatus for adjusting surface appearance of hot-dipped steel sheet |
| CN101443471A (en) * | 2006-05-12 | 2009-05-27 | 杰富意钢铁株式会社 | Method for manufacturing molten-metal plated steel band |
| CN101796209A (en) * | 2007-09-05 | 2010-08-04 | 杰富意钢铁株式会社 | Apparatus for manufacturing hot-dip metal plated steel band |
| CN101821420A (en) * | 2007-10-09 | 2010-09-01 | 杰富意钢铁株式会社 | Apparatus for producing molten metal plated steel strip and process for producing molten metal plated steel strip |
| CN102985580A (en) * | 2010-07-13 | 2013-03-20 | 钢铁普蓝特克股份有限公司 | Baffle plate unit and gas wiping device using same |
-
2015
- 2015-04-20 JP JP2015086079A patent/JP6044669B2/en active Active
-
2016
- 2016-04-13 CN CN201680022555.3A patent/CN107532271B/en active Active
- 2016-04-13 WO PCT/JP2016/002007 patent/WO2016170757A1/en active Application Filing
- 2016-04-13 MX MX2017013462A patent/MX2017013462A/en active IP Right Grant
- 2016-04-13 AU AU2016252193A patent/AU2016252193B2/en active Active
- 2016-04-13 EP EP16782783.1A patent/EP3287541B1/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06116698A (en) * | 1992-10-06 | 1994-04-26 | Sumitomo Metal Ind Ltd | Continuous hot-dip metal plating device of steel sheet |
| JPH06172955A (en) * | 1992-12-01 | 1994-06-21 | Sumitomo Metal Ind Ltd | Plating thickness control device and method for hot-dip coated metallic sheet |
| JPH09195023A (en) * | 1996-01-11 | 1997-07-29 | Sumitomo Metal Ind Ltd | Gap variable type gas wiping nozzle device |
| JP2005256050A (en) * | 2004-03-10 | 2005-09-22 | Nisshin Steel Co Ltd | Method and apparatus for adjusting surface appearance of hot-dipped steel sheet |
| CN101443471A (en) * | 2006-05-12 | 2009-05-27 | 杰富意钢铁株式会社 | Method for manufacturing molten-metal plated steel band |
| CN101796209A (en) * | 2007-09-05 | 2010-08-04 | 杰富意钢铁株式会社 | Apparatus for manufacturing hot-dip metal plated steel band |
| CN101821420A (en) * | 2007-10-09 | 2010-09-01 | 杰富意钢铁株式会社 | Apparatus for producing molten metal plated steel strip and process for producing molten metal plated steel strip |
| CN102985580A (en) * | 2010-07-13 | 2013-03-20 | 钢铁普蓝特克股份有限公司 | Baffle plate unit and gas wiping device using same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109777979A (en) * | 2019-02-19 | 2019-05-21 | 中南大学 | A method of regulation ultra-wide aluminum alloy plate materials cross section structural homogenity |
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| Publication number | Publication date |
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| JP2016204694A (en) | 2016-12-08 |
| AU2016252193A1 (en) | 2017-10-26 |
| CN107532271B (en) | 2020-09-22 |
| EP3287541A4 (en) | 2018-04-04 |
| JP6044669B2 (en) | 2016-12-14 |
| MX2017013462A (en) | 2017-12-07 |
| EP3287541B1 (en) | 2019-07-24 |
| AU2016252193B2 (en) | 2018-10-18 |
| WO2016170757A1 (en) | 2016-10-27 |
| EP3287541A1 (en) | 2018-02-28 |
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