CN109563604A - The first cooling device of coated steel sheet, plating equipment and coated steel sheet cooling means - Google Patents

The first cooling device of coated steel sheet, plating equipment and coated steel sheet cooling means Download PDF

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Publication number
CN109563604A
CN109563604A CN201780045895.2A CN201780045895A CN109563604A CN 109563604 A CN109563604 A CN 109563604A CN 201780045895 A CN201780045895 A CN 201780045895A CN 109563604 A CN109563604 A CN 109563604A
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CN
China
Prior art keywords
cooling
steel sheet
coated steel
cooling water
cooling device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201780045895.2A
Other languages
Chinese (zh)
Inventor
千明植
张泰仁
李源浩
金相俊
千时烈
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pibex Co
Posco Holdings Inc
Original Assignee
Pibex Co
Posco Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020160096736A external-priority patent/KR101778457B1/en
Priority claimed from KR1020160116656A external-priority patent/KR101795965B1/en
Application filed by Pibex Co, Posco Co Ltd filed Critical Pibex Co
Publication of CN109563604A publication Critical patent/CN109563604A/en
Withdrawn legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/14Removing excess of molten coatings; Controlling or regulating the coating thickness
    • C23C2/16Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
    • C23C2/18Removing excess of molten coatings from elongated material
    • C23C2/20Strips; Plates
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/34Hot-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
    • C23C2/36Elongated material
    • C23C2/40Plates; Strips

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating With Molten Metal (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The first cooling device of coated steel sheet according to an embodiment of the invention characterized by comprising cooling aqueous jet, to coated steel sheet spray cooling water;And charged elements, configuration is in at least side of the cooling aqueous jet, so that the cooling water charges, the cooling aqueous jet is configured such that the cooling water is sprayed by the charged elements with electriferous state.

Description

The first cooling device of coated steel sheet, plating equipment and coated steel sheet cooling means
Technical field
The present invention relates to a kind of the first cooling device of coated steel sheet, plating equipment and coated steel sheet cooling means.
Background technique
Continuous plating technic is executed, in the manufacturing process of steel products with coated steel sheet needed for producing client.
In this continuous plating technic, pass through the cooling steel plate for being attached to the plating slot by providing the coating solutions such as zinc The plating solution of the molten condition on surface produces coated steel sheet.
That is, be attached in the both side surface by the steel plate of plating slot too much due to plating solution, utilize air knife (air Knife the coating with thickness appropriate) is formed, the not solidified zinc for then solidifying about 460 DEG C or more using cooling device is molten Liquid forms the coating with enough intensity on the surface of steel plate, thus produces coated steel sheet.
But if the cooling of this coating solution can not be carried out quickly, the conduct generated in coating surface can not be made The paillette line of grain growth line is miniaturize, so as to cause attached quality problems are plated.
On the other hand, in order to solidify the coating, for not solidified coating solution, aerial cooler (Air is utilized ) etc. cooler and cooling is executed using air, the coating of a degree of intensity is ensured for partially solidified, passes through injection The cooling nozzles of cooling water execute cooling.
Exist as described above, executing cooling purpose using aerial cooler at the cooling initial stage of the steel plate of coating coating solution In if the water droplet of the coating spray cooling water to not solidified state, in the hole trace (pit of coating surface initiation recess mark)。
That is, spraying air at the cooling initial stage of coating to execute cooling, to prevent the production of the surface defect of coated steel sheet It is raw.
It, will be by from cold in addition, by the partially solidified coating for ensuring a degree of intensity of the aerial cooler But nozzle injection cooling water and solidified completely, at this point, needing the cooling water being attached to plating to cool down the coating On layer and the heat of coating is received, still, since a part in the only cooling water of injection is attached to coating, there is cooling The problem of reduced performance.
As described above, executing cooling mode using air and using the type of cooling of cooling water in coating early solidification It compares, cooling velocity is slow, and only some cooling water in the case where passing through the type of cooling of spray cooling water It is attached to coating, therefore cooling performance reduces, to generate due to caused by low speed cooling as the zinc solidification line of coating Paillette becomes excessive problem.
That is, when the paillette line shown in (a) of Figure 10 is formed in coated steel sheet surface, plate by-product fresh degree of reflecting and Glossiness reduces, therefore is not available in the high-grade products such as the exterior material of automobile outer plate material or household appliances.
In addition, a part of plating solution is attached on roller, as a result, when the coating and conveying roller that are not fully cooled contact The pickup mark (pick-up mark) of the striped of width direction is generated on the surface of steel plate, so as to cause surface defect.
Also, according to the low speed cooling of coating, need to ensure sufficient plating in the equipment of continuous production coated steel sheet The cooling time of steel plate, therefore, with the length of cooling line, there are the limitations of equipment enlarging.
Summary of the invention
(1) technical problems to be solved
It is cooling that the object of the present invention is to provide a kind of the first cooling device of coated steel sheet, plating equipment and coated steel sheets Method can be improved the cooling velocity of the coating of coating on the steel plate, so as to improve the quality of coated steel sheet, and prevent The enlargement of equipment.
(2) technical solution
The first cooling device of coated steel sheet according to an embodiment of the invention is characterized in that, may include: cooling Aqueous jet, to coated steel sheet spray cooling water;And charged elements, it configures at least the one of the cooling aqueous jet Side, so that the cooling water charges, the cooling aqueous jet is configured such that the cooling water is single by the electrification Member is sprayed with electriferous state.
In addition, the cooling aqueous jet of the first cooling device of coated steel sheet according to an embodiment of the invention It may include: the first container portion, accommodate cooling water;Flow path portion is connect with the first container portion, and makes the cooling water flow It is dynamic;And spray nozzle part, it is connect with the flow path portion, to receive cooling water from the first container portion, and to the plating steel Plate sprays the cooling water.
In addition, the first cooling device of coated steel sheet according to an embodiment of the invention is characterized in that, described first Container portion can be grounded with ground.
In addition, the first cooling device of coated steel sheet according to an embodiment of the invention is characterized in that, the electrification Unit may include electrode portion, and the electrode portion is applied positive charge and forms electric field, and the flow path portion can be with the electrode Portion's cross-over configuration.
In addition, the first cooling device of coated steel sheet according to an embodiment of the invention is characterized in that, the electrode Portion can be only fitted to the upper and lower sides of the flow path portion.
In addition, the first cooling device of coated steel sheet according to an embodiment of the invention is characterized in that, the electrification Unit can also include electrode supporting portion, and the electrode supporting portion supports the electrode portion, and the electrode supporting portion is being formed with The front of first main unit in the first container portion be wholely set with first main unit or in conjunction with and be arranged.
In addition, the first cooling device of coated steel sheet according to an embodiment of the invention is characterized in that, the nozzle The cooling water can be sprayed by portion with droplet morphology.
In addition, the first cooling device of coated steel sheet according to an embodiment of the invention is characterized in that, it can be in institute It states and multiple spray nozzle parts is set in the width direction of coated steel sheet.
In addition, the cooling aqueous jet of the first cooling device of coated steel sheet according to an embodiment of the invention Can also include injection pressure offer portion, the injection pressure offer portion is connected to the spray nozzle part, and provides gas, with to The cooling water assigns injection pressure.
In addition, the first cooling device of coated steel sheet according to an embodiment of the invention can also include the first air curtain Portion, the peripheral portion of the spray nozzle part is arranged in first air curtain portion, and the cooling water of injection is directed to the steel Plate.
Plating equipment according to another embodiment of the present invention may include: plating slot;And the coated steel sheet first Cooling device is arranged in from the movement routine for the coated steel sheet that the plating slot is discharged.
In addition, plating equipment according to another embodiment of the present invention may include the second cooling device of coated steel sheet, institute State the mobile road of the steel plate that the second cooling device of coated steel sheet is arranged between the plating slot and first cooling device On diameter.
In addition, second cooling device of plating equipment according to another embodiment of the present invention can pass through ultrasonic wave Cooling water is formed as mist by vibration, and is sprayed with the gases to the steel plate.
In addition, second cooling device of plating equipment according to another embodiment of the present invention may include: gas Injection unit, Xiang Suoshu steel plate spray gas;Cooling water is formed as mist by ultrasound unit, with from the gas injection The gas injection of unit injection is to the steel plate;And filter element, be arranged in the mist formed by the ultrasound unit and from In the movement routine of the gas of the gas injector unit injection.
In addition, plating equipment according to another embodiment of the present invention is characterized in that, the filter element is adjustable It is ejected into the size of the fog particles of the steel plate.
In addition, the filter element of plating equipment according to another embodiment of the present invention may include: filter frame Portion is arranged on the flow path of the mist formed by the ultrasound unit;And adjustable plate portion, it is arranged in the filter frame In portion, the flow path of changing section fog particles, and collide remaining fog particles by mobile inertia force.
In addition, plating equipment according to another embodiment of the present invention is characterized in that, it can be in the filter frame portion Multiple adjustable plate portions are set with preset space length, and the flowing road of the fog particles is obliquely arranged in the adjustable plate portion On diameter.
Coated steel sheet cooling means according to still another embodiment of the invention is characterized in that, may include: plating technic, On the steel plate by coating solution coating;Wiping technique adjusts the thickness for the coating solution being coated on the steel plate;And it is cooling Technique, in the cooling technique, by being cooled down to the steel plate spray cooling water, wherein by the cooling water with band Electricity condition injection.
In addition, the cooling technique of coated steel sheet cooling means according to still another embodiment of the invention may include with Lower step: precooling step, executes cooling to the steel plate for being coated with coating solution;And rear cooling step, in the pre-cooling But the steel plate being cooled in step is ejected through the cooling water that electrification is endowed identical polar.
(3) beneficial effect
The first cooling device of coated steel sheet, plating equipment and coated steel sheet cooling means of the invention can be improved coated in steel The cooling velocity of coating on plate so as to improve the quality of coated steel sheet, and prevents the enlargement of equipment.
In addition, injection is sharp together when executing the cooling for passing through gas at the cooling initial stage in the steel plate for coating coating solution With ultrasonic waveform at fine moisture particle, so as to prevent do not solidify coating formed recess hole trace while, improve Cooling performance.
In addition, the spray cooling water in order to cooling to the partially solidified steel plate execution of the coating solution for being coated in outer surface When, make cooling water band electrojet, therefore can be improved partially solidified so as to improve the charging efficiency of cooling water of injection Coating cooling water adhesive rate, so as to improve the cooling efficiency based on spray cooling water.
Detailed description of the invention
Fig. 1 is the main view for showing plating equipment of the invention.
Fig. 2 is the main view for showing the first cooling device of coated steel sheet in plating equipment of the invention.
Fig. 3 is the perspective view for showing the first cooling device of coated steel sheet in plating equipment of the invention.
Fig. 4 be show plating equipment of the invention the first cooling device of coated steel sheet include the first air curtain portion embodiment Main view.
Fig. 5 is the main view for showing the second cooling device of coated steel sheet in plating equipment of the invention.
Fig. 6 is the temperature tune of gas injector unit in the second cooling device of coated steel sheet for show plating equipment of the invention The main view of the embodiment of the outside of gas supply department is arranged in section portion.
Fig. 7 is the perspective view for showing the second cooling device of coated steel sheet in plating equipment of the invention.
Fig. 8 is that second main unit includes second in the second cooling device of coated steel sheet for show plating equipment of the invention The main view of the embodiment in air curtain portion.
Fig. 9 is the mode of operation of filter element in the second cooling device of coated steel sheet for show plating equipment of the invention Main view.
Figure 10 is the coarsening state of paillette line and cooling plating according to the present invention when showing coating cooling according to the prior art The photo of the state of paillette line miniaturization when layer.
Preferred forms
In the following, specific embodiments of the present invention are described in detail referring to attached drawing.But thought of the invention and unlimited Due to the disclosed embodiments, understand that those skilled in the art of thought of the invention can be in identical thought range It is interior by the way that other assemblies are added, are changed, are deleted, be easy other inventions for proposing to regress or included in thought model of the invention Interior other embodiments are enclosed, and foregoing invention and embodiment are also contained in thought range of the invention.
In addition, making for the identical component of function in the identical thought range shown in the accompanying drawings of each embodiment It is illustrated with identical appended drawing reference.
The cooling velocity of the coating coated in steel plate S can be improved in the present invention, so as to improve the quality of coated steel sheet S, And prevent the enlargement of equipment.
It is described with reference to, Fig. 2 is the main view for showing the first cooling device of coated steel sheet 200 of the invention, referring to figure 2, the feature of the first cooling device of coated steel sheet 200 according to an embodiment of the invention be may include: cooling water injection Unit 220, to coated steel sheet S spray cooling water;And charged elements 230, configuration the cooling aqueous jet 220 extremely Few side, so that the cooling water charges, it is described that the cooling aqueous jet 220 is configured such that the cooling water passes through Charged elements 230 are sprayed with electriferous state.
As described above, the first cooling device of coated steel sheet 200 of the invention can make the cooling water with electriferous state It is sprayed.
In particular, the side of the charged elements 230 is arranged in the cooling aqueous jet 220, so that the cooling water It is sprayed with electriferous state, therefore since the cooling water of injection is charged with polarity having the same, can be improved the cooling water Charging efficiency therefore can be improved the cooling water adhesive rate of the coating on steel plate S, improve cooling efficiency.
In addition, the cooling water injection of the first cooling device of coated steel sheet 200 according to an embodiment of the invention Unit 220 may include: the first container portion 222, accommodate cooling water;Flow path portion 221 is connect with the first container portion 222, and And keep the cooling water mobile;And spray nozzle part 223, it is connect with the flow path portion 221, to be connect from the first container portion 222 Cooling water is received, and sprays the cooling water to the coated steel sheet.
Wherein, the flow path portion 221, which is played, is transmitted to the nozzle from the first container portion 222 for the cooling water of injection The effect in portion 223 at this point, a part of the flow path portion 221 runs through the charged elements 230, and is set on injection direction It sets in the front of the charged elements 230, so that the cooling water of injection is charged with identical electrodes.It below will be right It is described in detail.
In addition, the first container portion 222 is to provide the structure of the cooling water of injection, can be connect with supply line, To receive cooling water W from outside, and the part cooling water stored can also be discharged by drainpipe.However, the big portion of storage Divide cooling water to be transmitted to the spray nozzle part 223 by flow path portion 221, and is injected into steel plate S.
Wherein, the first container portion 222 can be grounded with ground (ground), and be made of conductor material, thus In cooling water electrification, the first container portion can be executed from the functions such as ground receiver negative electrical charge or discharge negative electrical charge.
That is, the first container portion 222 of the first cooling device of coated steel sheet 200 according to an embodiment of the invention It can be grounded with ground.
In particular, the cooling water inside the first container portion 222 can be charged by the electrode portion 232 described below to have There is identical polarity, therefore, during spray cooling water, can prevent from charging the problems such as polarity is cancelled out each other.
The spray nozzle part 223, which plays, to be ejected into from the first container portion 222 by the cooling water that flow path portion 221 is transmitted The effect of steel plate S.
Wherein, the spray nozzle part 223 may be configured to the shape that the injection flow path of the cooling water equipped with injection is gradually reduced The hole of shape, to improve the jet velocity of the cooling water of injection.
In addition, the spray nozzle part 223 of the first cooling device of coated steel sheet 200 according to an embodiment of the invention Feature is that can be sprayed the cooling water with droplet morphology.
For example, the spray nozzle part 223 can be configured to hydraulic spray nozzle, it can be by spraying described cold with droplet morphology But water expands the jeting area of the cooling water of injection.
Furthermore, it is possible to which the width with the steel plate S is arranged in correspondence with multiple spray nozzle parts 223, later with reference to Fig. 3 pairs It is described in detail.
On the other hand, the first cooling device of coated steel sheet 200 according to an embodiment of the invention further includes that setting exists The first main unit 210 in the movement routine of steel plate, the cooling aqueous jet 220 are integrated to first main unit 210, and the cooling water is ejected into the steel plate S, the charged elements 230 are integrated to first main unit 210, And the mobile flow path portion 221 of the cooling water of the cooling aqueous jet 220 runs through the charged elements 230, so as to So that charging from the cooling water that the cooling aqueous jet 220 is sprayed with polarity having the same.
In addition, the charged elements 230 of the first cooling device of coated steel sheet 200 according to an embodiment of the invention First main unit 210 can also be integrally coupled to the cooling aqueous jet 220.
As described above, charged elements 230 are integrally connected to spray in the first cooling device of coated steel sheet 200 of the invention The cooling aqueous jet 220 of cooling water is penetrated, so as to spray the cooling water after being endowed polarity.
Wherein, first main unit 210 is played in conjunction with the cooling aqueous jet 220 and charged elements 230 Subjective role, and be arranged in the movement routine for the steel plate S of coating for being coated with the solidification of coating solution L portion.
In addition, first main unit 210 includes the first frame section 211, to control from the cooling aqueous jet The jeting area of the cooling water of 220 injections carries out in detail it later with reference to Fig. 4 and it is possible to which the first air curtain portion 212 is arranged It describes in detail bright.
The cooling aqueous jet 220 plays the role of for cooling water being ejected into the steel plate S, in particular, can pass through With the configuration relation of the charged elements 230 so that injection cooling water electrification after sprayed.
For example, the cooling water injection of the first cooling device of coated steel sheet 200 according to an embodiment of the invention The feature of unit 220 is that at least part can be grounded with ground (ground), to apply positive charge in charged elements 230 When, negative electrical charge is discharged to the ground or from ground receiver negative electrical charge.
In other words, the positive charge applied by the charged elements 230, passes through the cooling water injection being grounded with ground A part of unit 220, from cooling water discharge negative electrical charge or to the cooling Water transport negative electrical charge, so that described cold But water charges and forms polarity.
Also, this polar electrification of formation is by being arranged the charged elements 230 in the cooling water injection list The side of member 220 is realized.
Specifically, the charged elements of the first cooling device of coated steel sheet 200 according to an embodiment of the invention 230 include electrode portion 232, and the electrode portion 232 is applied positive charge and forms electric field, in the cooling aqueous jet 220, The mobile flow path portion 221 of the cooling water is arranged across with the electrode portion 232, so that the cooling before injection Water is charged with polarity.
For example, the electrode portion 232 of the first cooling device of coated steel sheet 200 according to an embodiment of the invention Feature is the upper and lower sides that can be only fitted to the flow path portion 221.
In addition, the first cooling device of coated steel sheet 200 of the invention may include injection pressure offer portion 224, wherein institute Injection pressure offer portion 224 is provided and is transmitted to spray nozzle part from the first container portion 222 by the flow path portion 221 for improving The jet power of 223 cooling water.
In other words, although can be sprayed merely with the jet power of the flowing based on the cooling water from the spray nozzle part 223 Still in order to further increase the jet power of cooling water, injection pressure offer portion 224 can be further arranged in cooling water. Alternatively, the cooling water can be sprayed merely with the injection pressure assigned by the injection pressure offer portion 224.
As described above, the cooling water of the first cooling device of coated steel sheet 200 according to an embodiment of the invention Injection unit 220 may include injection pressure offer portion 224, and injection pressure offer portion 224 and the spray nozzle part 223 connect It is logical, and gas is provided to provide injection pressure to the cooling water.
Wherein, the gas A can be air, and injection pressure offer portion 224 can be received by pipeline from outside Gas A, and the gas A flow path for being connected to the spray nozzle part 223 can be formed, provide received gas A to the spray Mouth 223.
The charged elements 230 are configured so that the cooling water can be sprayed to charge with polar state It penetrates.
For this purpose, the charged elements 230 can be wholely set with the cooling aqueous jet 220, and with described One main unit 210 in conjunction with and be arranged.
In particular, the flow path portion 221 of the cooling aqueous jet 220 runs through the charged elements 230, and the electrification The rear of a part of the flow path portion 221 is arranged in unit 230 on the injection direction of the cooling water, so that The cooling water of injection forms identical polarity and is sprayed, behind will be explained in greater detail.
In addition, the charged elements 230 of the first cooling device of coated steel sheet 200 according to an embodiment of the invention Feature be can also include the electrode supporting portion 231 for supporting the electrode portion 232, the electrode supporting portion 231 can be in shape It is wholely set or ties at the front and first main unit 210 for the first main unit 210 for having the first container portion 222 It closes and is arranged.
Wherein, 221 at least part of flow path portion of the cooling aqueous jet 220 of the flow of cooling water is with described On the basis of cooling water injection direction, the front of the electrode portion 232 is set, the cooling water of flow path portion 221 is enabled to charge With polarity having the same.
In other words, the flow path portion 221, which is played, is transmitted to the spray from the first container portion 222 for the cooling water of injection The effect of mouth 223, at this point, the flow path portion 221 runs through the electrode portion 232, and a part of the flow path portion 221 is set It sets in the front of the electrode portion 232, so that the cooling water moved in the flow path portion 221 is charged to be endowed Identical polarity.
That is, making the cooling water to adjust the polarity for assigning cooling water according to the electrification polarity of the electrode portion 232 Mode charge so that the electrification of all cooling waters with identical polar to be sprayed.
The support electrode portion 232 is played in the electrode supporting portion 231 so that the electrode portion 232 and the cooling water spray Penetrate the effect that unit 220 is integrally formed.
For this purpose, the electrode supporting portion 231 can be with first main body that is combined with the cooling aqueous jet 220 Unit 210 combines, and the electrode portion 232 can be set in the inside in the electrode supporting portion 231.
The electrode portion 232 be connected to apply positive charge outside high-voltage generator PS to apply positive charge, it is described High-voltage generator PS applies high voltage in the state of being grounded with ground (ground) and being connected to electrode portion 232, To which the electrode portion 232 can keep positive charge to be applied to the state of anode (+) or cathode (-).
For example, negative electrical charge present in the electrode portion 232 is discharged by ground in the high-voltage generator PS, by institute State the positive charge that electrode portion 232 is applied to anode (+).
On the other hand, when the electrode portion 232 applies positive charge, with the electrode portion 232 in adjacent flow path portion 221 Cooling water electrification increased with the adhesive force for being attached to steel plate of the cooling water that with single polarity, so charges, so as to mention High cooling performance.
Wherein, the cooling water electrification is because the first container portion 222 connecting with the flow path portion 221 connects with ground Ground, and negative electrical charge is discharged from ground receiver negative electrical charge or to the ground, so that cooling water electrification is single to have One polarity.
Fig. 3 is the perspective view for showing the first cooling device of coated steel sheet 200 of the invention, reference
The spray nozzle part 223 of Fig. 3, the first cooling device of coated steel sheet 200 according to an embodiment of the invention can It is multiple to be arranged in the width direction of the steel plate S.
This is uniform cooling in order to execute to the steel plate S.In other words, it is arranged in the width direction of the steel plate S Multiple spray nozzle parts 223, to generate uniform cooling effect to the cooling water of the entire width of steel plate S injection electrification Fruit.
Fig. 4 is to show the master that the first cooling device of coated steel sheet 200 of the invention includes the embodiment in the first air curtain portion 212 View, referring to Fig. 4, the first cooling device of coated steel sheet 200 according to an embodiment of the invention may include the first air curtain Portion 212, the peripheral portion of the spray nozzle part 223 is arranged in first air curtain portion 212, and the cooling water of injection is guided To the steel plate S.
As described above, first cooling device of coated steel sheet 200 includes first air curtain portion 212, so as to control Make the jeting area of the cooling water sprayed from the cooling aqueous jet 220.
In other words, when from the 223 spray cooling water of spray nozzle part, gas A is sprayed from first air curtain portion 212, with The cooling water periphery of injection is blocked, so as to limit the jeting area of the cooling water.
First air curtain portion 212 may include in first main unit 210, but it's not limited to that.That is, As long as coupling with the spray nozzle part 223 of the cooling aqueous jet 220 and the cooling water of injection being directed to steel plate Structure then may be used as first air curtain portion 212 of the invention.
For this purpose, first air curtain portion 212 can be configured to connect with from the external pipeline for receiving gas A.
Fig. 1 is the main view for showing plating equipment of the invention, and (a) of Figure 10 is bright when being coating cooling according to the prior art The photo of the coarsening state of piece line, (b) of Figure 10 are the states for showing paillette line miniaturization when cooling down coating according to the present invention Photo.
Referring to the attached drawing, plating equipment according to another embodiment of the present invention may include: plating slot 300;And First cooling device of coated steel sheet 200 is arranged in from the movement routine for the coated steel sheet S that plating slot 300 is discharged.
Wherein, the plating slot 300 plays the role of being coated to coating solution L on the steel plate S.For this purpose, the plating Covering in slot 300 may include the coating solutions L such as melting zinc solution, and can be set described in guidance in the plating slot 300 The pot roller 400 of the movement of steel plate S.
In addition, above-mentioned the first cooling device of the coated steel sheet 200 will be described to below in the plating equipment The second cooling device of coated steel sheet 100 in the coating of cooling and partially solidified steel plate S execute cooling, thus complete to described The cooling of coating.
In other words, first cooling device 200 of plating equipment according to an embodiment of the invention is from described Two cooling devices 100 receive the coating solution L coated in the outer surface steel plate S and are at least cooled to lower than the coating solution L's The steel plate S of melting temperature, and electrification is ejected through to the steel plate S and assigns polar cooling water to execute cooling.
For this purpose, first cooling device of coated steel sheet 200 compares second cooling device of coated steel sheet 100, it is located at The rear of the movement routine of the steel plate S.That is, the steel plate S after the plating slot 300 discharge, passes through described for the first time Then the second cooling device of coated steel sheet 100 passes through first cooling device of coated steel sheet 200 for the second time.
Coating solution L is coated to the steel plate S and carries out cooling mobile road to it in addition, not formed with "-" type Diameter, but form the layout of the changed form at least one path, with can make include the steel plate S movement routine Plating equipment miniaturization.
For example, the movement routine of the steel plate S can be formed towards to the path of open " C " shape in ground.
In other words, the feature of first cooling device of plating equipment according to an embodiment of the invention is described First cooling device can be separately positioned on first area, second area and third region, and the first area is the steel The movement routine of the plate region mobile to the top of the plating slot, the second area be connected to the first area and The movement routine of the steel plate mobile region parallel to the groundly, the third region are to be connected to second area and described The region that the movement routine of steel plate moves downwards.
In addition, the outlet side in first cooling device 200 can also include water cooling plant 600, described first After cooling device 200 executes cooling to the coating being formed on the steel plate S, solidification is formed by the coating solution L completely Coating.
That is, plating equipment according to an embodiment of the invention may include water cooling plant 600, it is cold compared to described first But the downstream of the movement routine of the steel plate S is arranged in device 200, the water cooling plant 600, when the appearance for being coated in steel plate S When the coating solution L in face is solidified completely by first cooling device 200, the steel is received from first cooling device 200 Plate S, it is cooling in water to execute.
Wherein, the water cooling plant 600 may include: water cooling portion 610, and Xiang Suoshu steel plate S cooling water supply is cold to execute But;Drying section 620, the dry steel plate S being discharged from the water cooling portion 610.
In addition, plating equipment of the invention may be used also other than including the plating slot 300 and the first cooling device 200 To include the second cooling device of coated steel sheet 100, second cooling device of coated steel sheet 100 is arranged in the plating slot 300 The discharge steel plate S outlet side, and cooling water is formed as by mist by ultrasonic activation, and spray together with gas A To the steel plate S.
As described above, plating equipment of the invention includes first cooling device of coated steel sheet 200 and the plating steel The second cooling device of plate 100, so as to improve the cooling velocity for the steel plate S for being coated with coating solution L, therefore, can make can The paillette line miniaturization formed in the coating solutions such as zinc solution L.
That is, as shown in (a) of Figure 10, compared to existing the case where not ensuring cooling velocity, as shown in (b) of Figure 10, The cooling velocity that can ensure that paillette line can be made to miniaturize in the present invention.
In addition, improve cooling performance by the first cooling device 200 and second cooling device 100, therefore can be with Therefore the cooled and solidified time for shortening the coating solution L being coated on the steel plate S, can make so as to shorten cooling line Plating equipment miniaturization.
Second cooling device of coated steel sheet 100 is to be discharged in the steel plate S coated with coating solution L from plating slot 300 Initial stage execute cooling device, cooling can be executed to not solidified coating solution L.
In other words, the feature of second cooling device 100 of plating equipment according to an embodiment of the invention is To from the plating slot 300 be at least above the coating solution L melting temperature temperature discharge steel plate S surface on Coating solution L executes cooling, and the coating solution L is cooled to the melting temperature at least below the coating solution L Temperature is then passed to first cooling device 200.
That is, the steel plate S is passed after second cooling device 100 solidifies the coating solution L to a certain degree It is delivered to first cooling device 200, it is cold due to being used when cooling in first cooling device 200 so as to prevent But water and coating generate recess hole trace (pit mark).
In particular, when second cooling device of coated steel sheet 100 is at the beginning of the cooling to the steel plate S coated with coating solution L When phase executes cooling by gas A, together injection using ultrasonic waveform at fine moisture particle, so as to prevent from not coagulating Gu coating forms the hole trace (pit mark) of recess, and improves cooling performance.It is carried out in detail referring to Fig. 5 to Fig. 8 below Explanation.
In addition, base can be utilized in the case where second cooling device of coated steel sheet 100 includes filter element 140 In the difference of the mobile inertia force of the size for the fog particles that ultrasound unit 130 is formed, the big of the fog particles for being ejected into coating is adjusted It is small, so as to further increase the efficiency for preventing from being formed hole trace.It is described in detail below referring to Fig. 9.
In addition, plating equipment of the invention is between the plating slot 300 and the second cooling device of the coated steel sheet 100 Position be provided with air knife 500, with adjust in the plating slot 300 be coated the coating solution L thickness.
That is, plating equipment according to an embodiment of the invention may include air knife 500, in the shifting of the steel plate S It is set between the plating slot 300 and second cooling device 100 on dynamic path, is stained on the steel plate S with adjusting The thickness of coating solution L.
Fig. 5 is the main view for showing the second cooling device of coated steel sheet 100 of the invention, according to the present invention referring to Fig. 5 Second cooling device of coated steel sheet 100 of one embodiment may include: the second main unit 110, and setting is coated in outer surface In the movement routine for having the steel plate S for not solidifying coating solution L;Gas injector unit 120 is arranged in second main unit 110, and gas A is sprayed to the steel plate S;And ultrasound unit 130, it is arranged in second main unit 110, and Cooling water is formed as into mist, to be ejected into the steel plate S with the gas A sprayed from the gas injector unit 120.
That is, the second cooling device of coated steel sheet 100 of the invention can spray together formed by ultrasound unit 130 it is cold But water mist, so that the hole for forming recess in not solidifying coating solution L can be prevented in coating solution L cooling by gas A While trace, cooling performance is improved.
Wherein, second main unit 110 plays the master that the gas injector unit 120, ultrasound unit 130 is arranged The effect of body.Also, second main unit 110 also act as the gas A that will be provided from the gas injector unit 120 and from The cooling water mist that the ultrasound unit 130 provides is ejected into the effect of the steel plate S coated with coating solution L together.For this purpose, institute Stating the second main unit 110 may include the second frame section 111, gap nozzle portion 112 and the second air curtain portion 113, behind will ginseng It is described in detail according to Fig. 7 and Fig. 8.
In addition, second main unit 110, which is arranged in from being coated with for the discharge of plating slot 300, does not solidify coating solution L Steel plate S movement routine on so that the second cooling device of coated steel sheet 100 of the invention is cooled down from plating slot 330 for the first time The steel plate S of discharge.
The gas injector unit 120 plays injection gas A and does not solidify coating solution L with cooling be coated on steel plate S Effect.It for this purpose, the gas injector unit 120 may include gas supply department 121, and may include temperature conciliation portion 122, the temperature of gas A can be adjusted to low temperature or high temperature by the temperature adjustment portion 122, to improve through injection gas A's Cooling efficiency is described in detail later with reference to Fig. 6.
In order to improve the cooling performance of the gas A sprayed from the gas injector unit 120, the ultrasound unit 130 Play the role of providing cooling water mist to the gas A.
Wherein, the gas A can be air, and the ultrasound unit 130 is formed cooling water by ultrasonic activation For mist, and by the mist being thusly-formed with provided together with the gas A that the gas injector unit 120 provides it is main to described second The gap nozzle portion 112 of body unit 110, and be ejected into coated in the coating solution L on steel plate S.
For this purpose, the ultrasound unit 130 may include second container portion 131, ultrasonic wave generating unit 132 and mist guide portion 133。
In other words, the ultrasonic wave list of the second cooling device of coated steel sheet 100 according to an embodiment of the invention Member 130 may include: second container portion 131, be arranged in second main unit 110, and provide cooling water;Ultrasonic wave generates Portion 132 is arranged inside the second container portion 131, and generates ultrasonic wave by vibration, and the cooling water is formed as Mist;And mist guide portion 133, the upside in the second container portion 131 is set, and the mist of formation is directed to and provides steel plate S Position.
The second container portion 131 is used as to provide when the ultrasonic wave generating unit 132 generates vibration and be used to form as mist Cooling water structure, be arranged in second main unit 110.
In addition, can be configured to connect with from the pipeline of external cooling water supply W in the second container portion 131.
The ultrasonic wave generating unit 132 plays the work to form the ultrasonic activation for the cooling water to be formed as to mist With, and be arranged in inside the second container portion 131 that the cooling water is provided.
In addition, the ultrasonic wave generating unit 132 is electrically connected with voltage source in order to form ultrasonic activation, and by will be from The electric energy of voltage source supply is converted to the materials such as the metal, crystal, ceramics of vibrational energy and is formed.
The mist guide portion 133 is played when providing the cooling water to the second container portion 131 by from the ultrasonic wave Ultrasonic activation that generating unit 132 provides and when being formed as mist, effect that guidance mist is flowed to the gap nozzle portion 112.
For this purpose, the upper end in the second container portion 131 is arranged in lid (cap) shape for the mist guide portion 133, and To form hole towards the direction in the gap nozzle portion 112, the peripheral portion in hole, which is formed towards the gap nozzle portion 112, to be extended Flange.
In particular, the size for adjusting fog particles is arranged between the mist guide portion 133 and the gap nozzle portion 112 The filter element 140 that will be described later, with control provide to the gap nozzle portion 112 fog particles size.
Fig. 6 is the temperature adjusting for showing the gas injector unit 120 in the second cooling device of coated steel sheet 100 of the invention The main view of the embodiment of the outside of gas supply department 121 is arranged in portion 122, referring to Fig. 6, according to one embodiment of present invention The gas injector unit 120 of the second cooling device of coated steel sheet 100 may include: gas supply department 121, be arranged in institute The second main unit 110 is stated, and receives gas A from outside and is sprayed to the steel plate S;And temperature adjustment portion 122, setting In the gas supply department 121, and adjust the temperature of the gas A.
I.e., it is possible to include temperature adjustment portion 122, the temperature of gas A can be adjusted to low temperature or high temperature, it is logical to improve The cooling efficiency of overspray gas A.
The gas supply department 121 plays the role of providing gas A into the gap nozzle portion 112, and the gas supplies Answer portion 121 that can receive high pressure gas A from outside.For this purpose, the gas supply department 121 can be with the pipe for receiving gas A Road connection.Wherein, gas A can be air.
In addition, the temperature adjustment portion 122 plays the temperature for adjusting the gas A provided from the gas supply department 121 Effect, for example, it may be the gas A to be formed as to the cooling tube of low temperature.
Wherein, the inside of the gas supply department 121 is arranged in the temperature adjustment portion 122, so as to from described The gas A that gas supply department 121 provides directly is contacted to improve the temperature control efficiency of gas A, and the example is shown in Fig. 5.
On the contrary, the outside of the gas supply department 121 can also be arranged in the temperature adjustment portion 122, at this point, due to not It can block the flow path in the gas A of 121 internal flow of gas supply department, therefore, be able to maintain the flow velocity of the gas A. The example is shown in Fig. 6.
In addition, be arranged the region of the gas supply department 121 of the temperature adjustment portion 122 can be configured to sufficiently into The area size of heat exchange between promoting the circulation of qi body A and the temperature adjustment portion 122.
Also, the gas injector unit 120 further includes gas flow adjustment portion 123, is transmitted so as to adjust from outside To the amount of the gas of the gas supply department 121.
That is, the gas injector unit of the second cooling device of coated steel sheet 100 according to an embodiment of the invention 120 may include gas flow adjustment portion 123, and the gas flow adjustment portion 123 is arranged in the gas supply department 121, and It is configured to adjust the flow of the gas from outside transmitting.
Wherein, the purpose that the gas flow adjustment portion 123 is arranged is, adjusts from the narrow of second main unit 110 Seam spray nozzle part 112 is ejected into the amount of the gas of the steel plate S, and according to the amount of the mist formed in the ultrasound unit 130, The cooling performance for adjusting setting, is cooled to target temperature for the coating solution of the steel plate S.
Fig. 7 is the perspective view for showing the second cooling device of coated steel sheet 100 of the invention, according to the present invention referring to Fig. 7 Second main unit 110 of second cooling device of coated steel sheet 100 of one embodiment may include: the second frame section 111, it is arranged in the movement routine of the steel plate S;And gap nozzle portion 112, be arranged in it is opposite with the steel plate S described in The front end of second frame section 111, and with the setting of the width of the width at least more than the steel plate S, it will be from the gas Gas A that injection unit 120 provides and the mist jet provided from the ultrasound unit 130 are to the steel plate S.
As described above, second main unit 110 exists including the purpose in the second frame section 111 and gap nozzle portion 112 In together by the gas A provided from the gas injector unit 120 and the cooling water mist provided from the ultrasound unit 130 It is ejected into the steel plate S coated with coating solution L.
Second frame section 111 is the basic structure that the gas injector unit 120 and ultrasound unit 130 is arranged, The gap nozzle portion 112 plays the role of will be on gas and mist jet to not solidified coating solution L.
The long hole shape of width of the gap nozzle portion 112 with width greater than the steel plate S is formed, thus to the steel The width direction of plate S equably sprays gas A and fog particles, can execute uniform cooling to coating solution L is not solidified.
Fig. 8 is that the second main unit 110 shown in the second cooling device of coated steel sheet 100 of the invention includes second The main view of the embodiment in air curtain portion 113, referring to Fig. 8, the cooling dress of coated steel sheet second according to an embodiment of the invention Second main unit 110 for setting 100 may include the second air curtain portion 113, and second air curtain portion 113 is arranged described narrow The peripheral portion of spray nozzle part 112 is stitched, and the gas A and mist of injection are directed to the steel plate S.
As described above, the purpose that second main unit 110 includes the second air curtain portion 113 is, sprayed from the gas Penetrate the gas A of the offer of unit 120 and from the cooling atomized water spray that the ultrasound unit 130 provides to coated in the steel plate S On coating solution L when, control the position of injection.
For this purpose, the peripheral portion in the gap nozzle portion 112 can be set in second air curtain portion 113, it is preferable that can be with Around the prominent form of the peripheral portion in the gap nozzle portion 112.
It is (or empty to form air curtain in addition, second air curtain portion 113, which could be formed with from external, provides the pipeline of gas A Air curtain), gas A therein can be air.As described above, the peripheral portion in the gap nozzle portion 112 is sprayed from outside and is connect The gas of receipts, so as to control the path of the gas A and fog particles that spray from the gap nozzle portion 112.
Fig. 9 is the master for showing the mode of operation of the filter element 140 in the second cooling device of coated steel sheet 100 of the invention View, referring to Fig. 9, the second cooling device of coated steel sheet 100 according to an embodiment of the invention may include filter element 140, the filter element 140 is arranged in second main unit 110, and adjusts the droplet for being ejected into the steel plate S The size of son.
In other words, the filter element 140 can use the size based on the fog particles formed by ultrasound unit 130 The difference of mobile inertia force, adjusts the size for being ejected into the fog particles of coating.
For this purpose, the filter element 140 may include filter frame portion 141 and adjustable plate portion 142.That is, according to the present invention The filter element 140 of the second cooling device of coated steel sheet 100 of one embodiment may include: filter frame portion 141, It is arranged on the flow path of the mist formed by the ultrasound unit 130, and is integrated to second main unit 110; Adjustable plate portion 142 is arranged in the filter frame portion 141, the flow path of changing section fog particles, and makes remaining droplet Son is collided by mobile inertia force.
Wherein, basic framework of the filter frame portion 141 as filter element 140 is arranged in the second main body list In member 110, more specifically, be arranged in the mist guide portion 133 of mist that discharge is formed from the ultrasound unit 130 with it is described Between gap nozzle portion 112.
The adjustable plate portion 142 is arranged in the filter frame portion 141, and is configured to changing section through described Filter frame portion 141 and flow fog particles flow path.In other words, when the adjustable plate portion 142 is configured to change portion When dividing the flow path of the fog particles, mobile the biggish particle of inertia force (be) can not change flowing road in the fog particles of flowing Diameter, or only change part flow path, to be collided with the adjustable plate portion 142.
Therefore, the particle (be) of collision can not be moved to the gap nozzle portion 112, and as particle accumulation is described Adjustable plate portion 142, particle size becomes larger, to fall in the second container portion 131.
On the contrary, mobile the lesser particle of inertia force (se) with the adjustable plate portion 142 in the fog particles of flowing not occur The degree of collision sufficiently changes flow path and movement, thus can be moved to the gap nozzle portion 112 without with the tune Section plate portion 142 collides.
On the other hand, since mobile inertia force is the value proportional to the quality of particle, offer can be adjusted to institute State the size of the fog particles in gap nozzle portion 112.
For this purpose, multiple adjustable plate portions 142 can be arranged with preset space length in the filter frame portion 141.
That is, the adjustable plate portion 142 of the second cooling device of coated steel sheet 100 according to an embodiment of the invention Feature is can be multiple with preset space length setting in the filter frame portion 141.
By structure as described above, the fog particles for being guided by the mist guide portion 133 and being provided can be effectively filtered.
In addition, the adjustable plate portion 142 of the second cooling device of coated steel sheet 100 according to an embodiment of the invention Feature be can obliquely be arranged on the flow path of the fog particles.
As described above, the purpose adjustable plate being obliquely arranged on the flow path of the fog particles is, adjust Save the change degree of the flow path of the fog particles.
In other words, if the inclined degree of the adjustable plate is big, the rate of change of the flow path of the fog particles is into one Step becomes larger, and therefore, only lesser particle passes through and is supplied to the gap nozzle portion 112, described if inclined degree is small The rate of change of the flow path of fog particles is small, therefore, can control to pass through larger particle and being supplied to the gap nozzle Portion 112.
In order to change the inclined degree of this adjustable plate, the filter element 140 different by inclined degree may be configured to Replacement, and may be configured to connect with angular adjustment motor etc. to adjust the angle of the adjustable plate.
Coated steel sheet cooling means according to still another embodiment of the invention may include: plating technic, by coating solution L Coated on steel plate S;Wiping technique adjusts the thickness for the coating solution L being coated on the steel plate S;And cooling technique, In the cooling technique, Xiang Suoshu steel plate S spray cooling water is cooled down, it is characterized in that by the cooling water with electriferous state Injection.
Specifically, the cooling technique of coated steel sheet cooling means according to still another embodiment of the invention may include Following steps: precooling step, executes cooling to the steel plate S coated with coating solution L;And rear cooling step, to described The coated steel sheet S being cooled in precooling step is ejected through electrification and is endowed identical polar cooling water.
Wherein, the plating technic is the steel plate S described in the plating slot 300 by the equal support of the pot roller 400 and moves It moves and executes.
That is, the steel plate S is by being filled with inside the plating slot 300 of coating solution L in the plating technic When, coating solution L is coated in the outer surface of the steel plate S.
The wiping technique is the spray when the plating technic light plate is discharged with the state coated with coating solution L The gases such as air are penetrated to adjust the thickness coated in the coating solution L on the steel plate S, to adjust the thickness of finally formed coating The process of degree.
In addition, the step that precools is held to from the plating slot 300 discharge and by the steel plate S of the wiping technique The cooling step of row, the precooling step are molten to the plating also in molten condition using second cooling device 100 Liquid L executes cooling, therefore, generates hole trace of recess etc. in solidification in order to prevent and sprays gas, also, in order to improve cooling Performance is ejected through the mist that ultrasonic activation is formed as the miniaturization form of cooling water together.
That is, the feature of the precooling step of coated steel sheet cooling means according to still another embodiment of the invention is, To be formed on the surface steel plate S at least above the coating solution L melting temperature coating solution L spray together gas and Cooling is executed by the mist of ultrasonic activation formation, the coating solution L is cooled at least below the coating solution L Melting temperature temperature, be then passed to it is described after cooling step.
Therefore, in the precooling step, with only injection gas phase ratio, it can be improved cooling performance, and prevent institute State the hole trace being likely to form when coating solution L solidification.
In other words, the mist for not being ejected through ultrasonic activation in the rear cooling step and being micronized, therefore, such as Fruit does not execute after coating solution L solidification, then may form hole on the coating formed by the coating solution L Therefore trace in the precooling step, needs for the coating solution L to be cooled to molten at least below the coating solution L The temperature for melting temperature is then passed to the rear cooling step.
In the precooling step using second cooling device 100 for the first time cool down coating solution L and steel plate S it Afterwards, first cooling device, 200 second cooling coating solution L and steel plate S is utilized in the rear cooling step.
In particular, being cooled to from the precooling step is received at least below described in the rear cooling step The coating of the temperature of the melting temperature of coating solution L executes cooling, therefore, there is no need to consider to form hole trace on the coating Problem executes cooling so as to direct spray cooling water, without cooling water to be miniaturize.
Also, the feature of the rear cooling step of coated steel sheet cooling means according to another embodiment of the present invention To receive the plating steel for being cooled to the temperature of the melting temperature at least below the coating solution in the precooling step Plate, and electrification is ejected through to the steel plate is endowed polar cooling water and execute cooling.
Therefore, cooling performance can be improved by the adhesive force of the raising steel plate S or the cooling water of coating.

Claims (19)

1. a kind of the first cooling device of coated steel sheet characterized by comprising
Cooling aqueous jet, to coated steel sheet spray cooling water;And
Charged elements, configuration is in at least side of the cooling aqueous jet, so that the cooling water charges,
The cooling aqueous jet is configured such that the cooling water is sprayed by the charged elements with electriferous state.
2. the first cooling device of coated steel sheet according to claim 1, wherein
The cooling aqueous jet includes:
The first container portion accommodates cooling water;
Flow path portion connect with the first container portion, and makes the flow of cooling water;And
Spray nozzle part is connect with the flow path portion, to receive cooling water from the first container portion, and is sprayed to the coated steel sheet Penetrate the cooling water.
3. the first cooling device of coated steel sheet according to claim 2, which is characterized in that
The first container portion and ground are grounded.
4. the first cooling device of coated steel sheet according to claim 2, which is characterized in that
The charged elements include electrode portion, and the electrode portion is applied positive charge and forms electric field,
The flow path portion and the electrode portion cross-over configuration.
5. the first cooling device of coated steel sheet according to claim 4, which is characterized in that
Upper and lower sides of the electrode portion configuration in the flow path portion.
6. the first cooling device of coated steel sheet according to claim 4, which is characterized in that
The charged elements further include electrode supporting portion, and the electrode supporting portion supports the electrode portion,
The electrode supporting portion is in the front and the first main body list for being formed with first main unit in the first container portion Member be wholely set or in conjunction with and be arranged.
7. the first cooling device of coated steel sheet according to claim 2, which is characterized in that
The cooling water is sprayed by the spray nozzle part with droplet morphology.
8. the first cooling device of coated steel sheet according to claim 2, which is characterized in that
Multiple spray nozzle parts are set in the width direction of the coated steel sheet.
9. the first cooling device of coated steel sheet according to claim 2, wherein
The cooling aqueous jet further includes injection pressure offer portion, and the injection pressure offer portion and the spray nozzle part connect It is logical, and gas is provided, to assign injection pressure to the cooling water.
10. the first cooling device of coated steel sheet according to claim 2, further includes:
First air curtain portion, first air curtain portion are arranged in the peripheral portion of the spray nozzle part, and by the cooling water of injection It is directed to the steel plate.
11. a kind of plating equipment, comprising:
Plating slot;And
The first cooling device of coated steel sheet described in any one of claims 1 to 10 is arranged in from plating slot discharge In the movement routine of coated steel sheet.
12. plating equipment according to claim 11, comprising:
The second cooling device of coated steel sheet, the second cooling device of coated steel sheet setting are cold in the plating slot and described first But in the steel plate movement routine between device.
13. plating equipment according to claim 12, which is characterized in that
Cooling water is formed as mist by ultrasonic activation by second cooling device, and is sprayed with the gases to the steel Plate.
14. plating equipment according to claim 13, wherein
Second cooling device includes:
Gas injector unit, Xiang Suoshu steel plate spray gas;
Cooling water is formed as mist by ultrasound unit, with from the gas injection that the gas injector unit sprays to described Steel plate;And
The shifting of the mist and the gas sprayed from the gas injector unit that are formed by the ultrasound unit is arranged in filter element On dynamic path.
15. plating equipment according to claim 14, which is characterized in that
The filter element adjusts the size for being ejected into the fog particles of the steel plate.
16. plating equipment according to claim 15, wherein
The filter element includes:
Filter frame portion is arranged on the flow path of the mist formed by the ultrasound unit;And
Adjustable plate portion is arranged in the filter frame portion, the flow path of changing section fog particles, and makes remaining fog particles It is collided by mobile inertia force.
17. plating equipment according to claim 16, which is characterized in that
Multiple adjustable plate portions are arranged with preset space length in the filter frame portion, and the adjustable plate portion is obliquely arranged On the flow path of the fog particles.
18. a kind of coated steel sheet cooling means characterized by comprising
Plating technic, on the steel plate by coating solution coating;
Wiping technique adjusts the thickness for the coating solution being coated on the steel plate;And
Cooling technique,
In the cooling technique, by being cooled down to the steel plate spray cooling water, wherein by the cooling water with band Electricity condition injection.
19. coated steel sheet cooling means according to claim 18, wherein
The cooling technique the following steps are included:
Step is precooled, cooling is executed to the steel plate for being coated with coating solution;And
Cooling step afterwards is ejected through electrification to the steel plate being cooled in the precooling step and is endowed the cold of identical polar But water.
CN201780045895.2A 2016-07-29 2017-07-31 The first cooling device of coated steel sheet, plating equipment and coated steel sheet cooling means Withdrawn CN109563604A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR10-2016-0096736 2016-07-29
KR1020160096736A KR101778457B1 (en) 2016-07-29 2016-07-29 Backwarded cooling apparatus for coated strip and coating facility
KR1020160116656A KR101795965B1 (en) 2016-09-09 2016-09-09 Coating facility and coating method
KR10-2016-0116656 2016-09-09
PCT/KR2017/008262 WO2018021898A1 (en) 2016-07-29 2017-07-31 Plated steel plate first cooling device, plating facility, and plated steel plate cooling method

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JP3096039B1 (en) * 1999-11-05 2000-10-10 丸紅ファインスチール株式会社 Wire hot-dip thick plating manufacturing equipment
CN101115858A (en) * 2004-12-28 2008-01-30 Posco公司 Galvanized steel-sheet without spangle, manufacturing method thereof and device used therefor
CN103591661A (en) * 2009-01-19 2014-02-19 报知机股份有限公司 Electrified mist spray head

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Application publication date: 20190402