CN101665897B - Method and device for controlling thickness of steel wire hot-plating layer - Google Patents
Method and device for controlling thickness of steel wire hot-plating layer Download PDFInfo
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- CN101665897B CN101665897B CN2009100707882A CN200910070788A CN101665897B CN 101665897 B CN101665897 B CN 101665897B CN 2009100707882 A CN2009100707882 A CN 2009100707882A CN 200910070788 A CN200910070788 A CN 200910070788A CN 101665897 B CN101665897 B CN 101665897B
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Abstract
The invention relates to a method and a device for controlling the thickness of a steel wire hot-plating layer. The control method comprises an inert gas swabbing process, a cooling process and a cutting-off process which are carried out in sequence and is characterized in that: the hot-plating steel wire after the inert gas swabbing process is vertically leaded out for continuously performing electromagnetic swabbing process and then performing cooling and cutting-off processes; the magnetic field acted in the electromagnetic swabbing process is a single-phase and alternative uniform magnetic field, wherein the acted magnetic field force ranges from 20A to 1000A. The control device comprises a gas swabbing device used in the inert gas swabbing process and is characterized by being suitable for the control method in the invention. The control device further comprises an electromagnetic swabbing device which is vertically mounted above the gas swabbing device and ensures that the leading line of the hot-plating steel wire from the electromagnetic swabbing device maintains vertical; the electromagnetic swabbing device comprises an electromagnetic swabbing device, a magnetic field generator and an automatic electric cabinet electrically connected with the electromagnetic swabbing device in sequence; the automatic electric cabinet comprises a magnetic field generator master controller and a gas swabbing automatic electric cabinet; and the electromagnetic swabbing device and the magnetic field generator are provided with a set of constant-temperature cooling systems.
Description
Technical field
The present invention relates to the hot dip of steel wire technology in the metallurgy industry, be specially a kind of control method and equipment of thickness of steel wire hot-plating layer.
Background technology
Steel-wire galvanizing is the most basic, one of the most effective anticorrosion process.
Present or traditional hot electroplating method mainly is solvent method and gas reduction method.
The general technology of solvent method is: unwrapping wire-degreasing-washing-alkali cleaning-washing-pickling-electrolysis-help plating-oven dry-pot galvanize or ganlfan alloy-and smear and wipe away-cool off-take-up.
The general technology of gas reduction method: unwrapping wire-electrolysis-help plating-redox-pot galvanize or ganlfan alloy-smear and wipe away-cool off-take-up.
These two kinds of methods all need to wipe away the smooth finish that technology reduces the thickness of coating of steel wire and guarantees the wire galvanization surface with smearing.Whether suitable whether thickness of coating and thickness of coating evenly be unusual important technical parameter.
The common method of zinc-plated amount of control or thickness of coating is that gas is smeared the method for wiping away on the current hot dip production line.Gas is smeared and has been wiped away nitrogen and smear and wipe away and H
2S smears and wipes away two kinds.Nitrogen is smeared and has been wiped away some advantages, as: can come the control surface quality by regulating flow and air pressure; Environmentally safe, production degree of cleaning height; The production flexibility ratio is big, but the problem of every line of individual curing.But also exist some problems: 1. because the aluminium content in the Galfan alloy is higher, easily produce the aluminum oxide floating matter on the plating bath surface, if untimely cleaning reaches the surface that certain thickness will be bonded at steel wire coating, have a strong impact on the surface quality of Galfan alloy layer.Though 2. adjust the gas flow and the pressure of air knife, required thickness of coating obtained, but also to see operator's experience: same air knife in different operator's hands, has visibly different effect, the treatment effect instability.3. steel wire coating is inhomogeneous.Smear the problem of wiping away appearance in order to solve nitrogen, adopted stone to add the method for wiping away of smearing of hydrogen sulfide.But discover that under the identical situation of Trace speed it is lower that the smearing of hydrogen sulfide wiped away the method coating weight, and H
2S is harmful, stimulates people's respiratory system, works under hard conditions, simultaneously H
2The S burning can produce SO
2, cause topsoil, do not have a feature of environmental protection.
In addition, it is above-mentioned that to smear the quality of coating that method for testing obtains product be not fine, comprise: hot-dip coating thickness is restive, thickness of coating is inhomogeneous, production efficiency is low, and the DV value of Production for Steel Wire (the DV value is meant the product of steel wire diameter and Trace speed, expression production efficiency) generally is not more than 90, and the DV value is greater than 90 o'clock, and the last zinc amount of steel wire is generally greater than 300g/m
2, increased production cost.
Summary of the invention
At the deficiencies in the prior art; the technical problem that quasi-solution of the present invention is determined is, a kind of steel-wire galvanizing Thickness Control method and apparatus is provided, and a kind of NEW TYPE OF COMPOSITE that this method and apparatus has adopted electromagnetism to smear to wipe away device and gas to smear to wipe away device to combine is smeared the technology of wiping away; wipe away down compound smearing; effectively the control galvanized layer thickness makes the hot dip of steel wire even zinc layer, improves the DV value simultaneously; reduce production costs; improve working conditions, do not pollute, the protection environment.
The technical scheme that the present invention solves described control method technical problem is: design a kind of steel-wire galvanizing Thickness Control method, comprise that the rare gas element that carries out successively smears trial work skill, process for cooling and take-up technology, it is characterized in that the hot dipped steel wire that described rare gas element is smeared after the trial work skill vertically draws, continue earlier and carry out electromagnetism and smear and wipe away technology, and then cool off and take-up technology; It is single-phase, alternation uniform magnetic field that described electromagnetism is smeared the effect magnetic field of wiping away technology, and the scope of effect magnetic field force is 20-1000A.
The technical scheme that the present invention solves described operating device technical problem is, design a kind of steel-wire galvanizing Thickness Control equipment, comprising that rare gas element is smeared wipes away gas that technology uses and smears and wipe away device, it is characterized in that this operating device is applicable to steel-wire galvanizing Thickness Control method of the present invention, be included in described gas and smear the gas of wiping away device and smear the perpendicular electromagnetism of putting installation in the top of wiping away container and smear the electromagnetism of wiping away device and smear and wipe away device, and make hot dipped steel wire smear the route of wiping away the device of drawing to keep vertical from electromagnetism; Described electromagnetism is smeared and is wiped away device and comprise that electromagnetism is smeared and wipe away device, smears with electromagnetism and wipes away magnetic field generator and the automatization electric control box that device is electrically connected successively; The automatization electric control box comprises that magnetic field generator main control computer and gas are smeared and wipes away the electrical autocontrol case; Electromagnetism is smeared and is wiped away device and magnetic field generator and be fitted with a cover constant temperature cooling system;
Described electromagnetism is smeared and wiped away device is the rectangular box structure, casing is to be the symmetrical minute body structure at center with vertical hot dipped steel wire passage, divide in the body structure casing and be symmetrically installed with left I shape skeleton and right I shape skeleton, a left side, on the right I shape skeleton solenoid is housed, solenoid is on a left side, right I shape skeleton both sides form the left solenoid and the right solenoid of symmetrical parallel, on a left side, symmetry is filled with left magnetic field enhancing magnetizer and right magnetic field enhancing magnetizer, a left side outside the right solenoid, right magnetic field strengthens magnetizer and is positioned a left side, within the horizontal clearance of right I shape skeleton; The extension at this solenoid two is smeared as electromagnetism and is wiped away smearing of device and wipe away the device interface; Described electromagnetism is smeared and is wiped away device and smear through electromagnetism and wipe away the device interface and be electrically connected with described magnetic field generator; Magnetic field generator is connected with magnetic field generator main control computer in the automatization electric control box by connecting lead, and the change in magnetic field is controlled by the producer main control computer; The power 1-100KW of described magnetic field generator, frequency 1-500KHz, the electromagnetic force scope is 20-1000A;
Smear the water coolant clamping plate that the both sides of wiping away device are separately installed with the constant temperature cooling system at electromagnetism, bottom at water coolant clamping plate is provided with water-in, bottom at another piece water coolant clamping plate sets out the mouth of a river, and water-in is connected with constant temperature cooling system main frame through water-cooled tube with water outlet.
Smear the technology of wiping away and compare with existing, the control method of hot galvanized layer thickness of the present invention and equipment, smear and wipe away new technology by the research and development electromagnetism, and electromagnetism smeared wipe away new technology and smear with conventional gas that the technology of wiping away is ingenious to be combined, formed a kind of compound technology of wiping away of smearing of efficient, environmental protection, can either guarantee the homogeneity of hot-dip coating thickness and the luminance brightness on surface, can control hot-dip coating thickness accurately again, have simultaneously safe in utilization, energy-saving and emission-reduction, efficiently high-quality, low consumption is low-cost, produce flexibly, advantage such as easily be automated.
Description of drawings
Fig. 1 is the control method of thickness of steel wire hot-plating layer of the present invention and the technological principle synoptic diagram of equipment.
Fig. 2 smears for the electromagnetism of a kind of embodiment of operating device of thickness of steel wire hot-plating layer of the present invention and wipes away device contour structures synoptic diagram.
Fig. 3 smears for the electromagnetism of a kind of embodiment of operating device of thickness of steel wire hot-plating layer of the present invention and wipes away device internal structure diagrammatic cross-section.
Fig. 4 (a) smears for the electromagnetism of a kind of embodiment of operating device of thickness of steel wire hot-plating layer of the present invention and wipes away the long ellipse coil sides of device TV structure synoptic diagram.
Fig. 4 (b) smears for the electromagnetism of a kind of embodiment of operating device of thickness of steel wire hot-plating layer of the present invention and wipes away the long ellipse coil of device plan structure synoptic diagram.
Fig. 5 smears for the electromagnetism of a kind of embodiment of operating device of thickness of steel wire hot-plating layer of the present invention and wipes away device installation and syndeton synoptic diagram.
Fig. 6 smears for the gas of a kind of embodiment of operating device of thickness of steel wire hot-plating layer of the present invention and wipes away device installation and syndeton synoptic diagram.
Embodiment
Describe the present invention in detail below in conjunction with embodiment and accompanying drawing thereof.Embodiment only is to the further specifying of technical solution of the present invention, and does not limit claim of the present invention.
The control method of the thickness of steel wire hot-plating layer of the present invention's design (is called for short control method, referring to Fig. 1), comprise that the rare gas element that carries out successively smears trial work skill, process for cooling and take-up technology, it is characterized in that the hot dipped steel wire that described rare gas element is smeared after the trial work skill vertically draws, continue earlier and carry out electromagnetism and smear and wipe away technology, and then cool off and take-up technology; It is single-phase, alternation uniform magnetic field that described electromagnetism is smeared the effect magnetic field of wiping away technology, and the scope of effect magnetic field force is 20-1000A.
The innovation part of control method of the present invention is to propose and researched and developed electromagnetism to smear and wipe away new technology, and itself and conventional gas are smeared the technology of wiping away combines, and has innovated a kind of new compound smearing and has wiped away processing method, in order to control hot dip of steel wire zinc coating thickness with enhance productivity.It is prior art substantially that described (inertia) gas is smeared the technology of wiping away, and can adopt nitrogen or other rare gas elementes, the 1-30 cubic meter/hour airshed under form air knife, in order to smearing the molten metal coating of wiping away on the hot dipped steel wire, and make this coating even; It is innovative technology of the present invention that described electromagnetism is smeared the technology of wiping away, and its principle of work is to utilize uniform magnetic field power further to smear and wipe away smear molten metal coating on the steel wire after wiping away through gas, thereby makes the further uniformity of steel wire coating.
It is to make the steel wire of drawing straight up from hot-dip metal plated liquid-bath smear the trial work skill through conventional gas after that the described electromagnetism of control method of the present invention is smeared the technology principal feature of wiping away, be subjected to the effect of single-phase, an alternation Uniform Electromagnetic Field again, molten metal coating on the steel wire is moved to the less position of magneticflux-density than large part from magneticflux-density, play gas and smear compound or dual the smearing that examination and electromagnetism smear examination and wipe away the coating effect, make hot dip of steel wire layer uniformity more.It also is a kind of contactless method of wiping away of smearing that electromagnetism of the present invention is smeared examination, has contactless plurality of advantages of smearing the method for wiping away.Studies show that with stable speed during by described electromagnetic field, the electromagnetic force on hot dipped steel wire surface is identical, and when the electromagnetism field energy increased gradually, the electromagnetic force of Steel Wire Surface also increased gradually at hot dipped steel wire.This performance is just smeared the trial work skill for the design electromagnetism, implement the hot dip of steel wire production line of high linear speed and created condition, it both can guarantee to improve the hot dipped steel wire day output, the lower last zinc amount of may command hot dipped steel wire again, while is may command and the homogeneity that guarantees Steel Wire Surface hot-dip coating thickness also, realizes that production efficiency and quality product are two excellent.Promptly singly smear the processing method of wiping away with gas does not then have this effect to prior art: smear at conventional gas and wipe away under the technology, the last zinc amount control of hot dipped steel wire is decided by the size of Trace speed fully; For example, product diameter 1.6mm, zinc amount 150g/m in the requirement
2, it is 30m/min that the Trace speed maximum is merely able to, DV=48; When DV=80, last zinc amount is up to 310g/m
2And for example, product diameter 5.0mm, zinc amount 250g/m in the requirement
2, it is 20m/min that the Trace speed maximum is merely able to, DV=100, and when DV=250, last zinc amount is up to 590g/m
2Therefore, smear at conventional gas and to wipe away under the technology, improve day output and just mean and also improve the zinc consumption simultaneously; General producer only reduces cost for profit-seeking, sacrifices day output or efficient.
The operating device that the present invention has designed thickness of steel wire hot-plating layer simultaneously (is called for short operating device, referring to Fig. 1-6), this operating device is applicable to control method of the present invention, the rare gas element that comprises is smeared and is wiped away gas that technology uses and smear and wipe away device, it is characterized in that this operating device described gas smear the gas of wiping away device smear wipe away container 5 above perpendicular putting electromagnetism is installed smears the electromagnetism of wiping away device and smear and wipe away device 4, and make steel wire 1 smear the route of wiping away the container 5 of drawing to keep vertical (referring to Fig. 1) from gas; Described electromagnetism is smeared and is wiped away device and comprise that electromagnetism is smeared and wipe away device 4, smear with electromagnetism and to wipe away magnetic field generator 3 and the automatization electric control box 10 that device 4 is connected successively, automatization electric control box 10 comprises that magnetic field generator main control computer 101 and gas are smeared and wipes away electrical autocontrol case 102 two portions (referring to Fig. 1,5,6); Electromagnetism smear wipe away device 4 and magnetic field generator 3 be fitted with a cover constant temperature cooling system 2 (promptly with one overlap constant temperature cooling system 2 smear for electromagnetism simultaneously wipe away device 4 and magnetic field generator 3 provides cooling).
Described electromagnetism is smeared and wiped away device 4 is rectangular box (abbreviation casing) structure (referring to Fig. 2-4), casing 41 is to be the symmetrical minute body structure at center with vertical hot dipped steel wire passage 46, divide in the body structure casing 41 and be symmetrically installed with left I shape skeleton 42 and right I shape skeleton 42 ', a left side, be set with solenoid on the right I shape skeleton 42 and 42 ', solenoid is on a left side, right I shape skeleton 42 and 42 ' both sides form the left solenoid 44 and the right solenoid 44 ' of symmetrical parallel, on a left side, be symmetrically installed with left magnetic field on the right solenoid 44 and 44 ' and strengthen magnetizer 43 and right magnetic field enhancing magnetizer 43 ', a left side, right magnetic field strengthens magnetizer 43 and 43 ' and is positioned a left side, install within right I shape skeleton 42 and 42 ' the horizontal clearance.This equipped structure design both can guarantee that solenoid formed the left solenoid 44 and the right solenoid 44 ' of symmetrical parallel, also can smear the electromagnetism of wiping away device 4 by left magnetic field enhancing magnetizer 43 and right magnetic field enhancing magnetizer 43 ' enhancing electromagnetism and smear the power of wiping away.Described solenoid is spiral-shaped, and the transverse section is ellipse, long ellipse or racetrack shape (referring to Fig. 4 (a) and (b)).Described solenoid is to use diameter
Circular copper pipe in the scope perhaps uses the square copper pipe in 2mm * 2mm～8mm * 8mm scope to make.The extension at this solenoid two is smeared as electromagnetism and is wiped away smearing of device 4 and wipe away device interface 45 (referring to Fig. 2,4 (a) and (b)).The concrete parameter of solenoid is also selected for use according to customer requirement.
Described electromagnetism is smeared and is wiped away device 4 and smear through electromagnetism and wipe away device interface 45 and be electrically connected with described magnetic field generator 3; Magnetic field generator 3 is connected with magnetic field generator main control computer 101 in the automatization electric control box 10 by connecting lead 12, and is controlled by magnetic field generator main control computer 101.Magnetic field generator 3, electromagnetism are smeared and are wiped away device 4 and magnetic field generator main control computer 101 and constitute electromagnetism and smear the system of wiping away.Electromagnetism is smeared and is wiped away device 4 and be installed in gas and smear on path that the hot dipped steel wire 1 of wiping away container 5 tops vertically draws or the passage 46 (referring to Fig. 1).
The electromagnetism of rectangular box of the present invention is smeared length, width and the height dimension of wiping away device 4 and need be designed customized according to reality or client.Under the certain situation of width and requirement for height, according to client's needs, it is selected in 50-1000mm that electromagnetism is smeared the length of wiping away device 4; Under the certain situation of length and requirement for height, according to client's needs, it is selected in 50-300mm that electromagnetism is smeared the width of wiping away device 4; Under the certain situation of length and width requirement, according to client's needs, it is selected in 50-500mm that electromagnetism is smeared the height of wiping away device 4.It is 20-1000A that the power 1-100KW of described magnetic field generator 3, frequency 1-500KHz, electromagnetism smear the electromagnetic force scope of wiping away device 4.
Smear the water coolant clamping plate 21 and 21 ' that the both sides of wiping away device 4 are separately installed with constant temperature cooling system 2 at electromagnetism, in the bottom of water coolant clamping plate 21 water-in 22 is set, bottom at another piece water coolant clamping plate 21 ' sets out the mouth of a river 22 ', and water-in 22 is connected with the main frame of constant temperature cooling system 2 through water-cooled tube 13 (behind the cooling loop of magnetic field transmitter extension set 3 inside) with water outlet 22 '.2 of constant temperature cooling systems are as prior art.The cooling structure design of 2 couples of magnetic field generator masters of the constant temperature cooling system of the embodiment of the invention, extension set is fairly simple, only use water-cooled tube 13 to be looped around on the magnetic field generator pocketed heat parts, perhaps be close to reach on this heat generating components and cool off the homothermic purpose.Whole electromagnetism smear wipe away the equipped constant temperature cooling system 2 of device after, electromagnetism is smeared and is wiped away device 4 and constituted the electromagnetism of working under the suitable hot conditions and smear and wipe away device.The constant temperature cooling system 2 of embodiment is commodity of model LX-1000P series.Its significant parameter is: the refrigerating duty 1000W of 20 ℃ of room temperatures, recycle pump peak flow 38L/min, power requirement AC220V, 50Hz, 10A, 5-40 ℃ of constant temperature scope.
Operating device of the present invention is that gas is smeared and wiped away device and smear the compound equipment of wiping away of smearing that device combines of wiping away with electromagnetism, described gas is smeared and is wiped away device and comprise gas generating unit 9, gas heating case 8 that is connected with gas generating unit 9 pipeline successively and gas are smeared and are wiped away container 5, and the gas in the automatization electric control box 10 is smeared and wiped away electrical autocontrol case 102 and be electrically connected with gas generating unit 9 and gas heating container 8 respectively.For adapting to the gas and the compound examination needs of smearing of electromagnetism of hot dipped steel wire, further feature of the present invention is to smear the special design in bottom or lower edge of wiping away container 5 at gas to have anti-zinc erosion to soak mouth 52, the geomery that mouth 52 is soaked in anti-zinc erosion is smeared the geomery of wiping away container 5 bottoms little (referring to Fig. 5) than gas, adopts the zinc of anti-liquid corrosion material ferroboron to make.The erosion of anti-zinc soak mouthfuls 52 gas is smeared wipe away container 5 bottoms to immerse zinc liquid the time and zinc liquid form hydraulic seal automatically.Gas is smeared and is wiped away container 5 and be installed on the route or path that hot dipped steel wire 1 vertically draws from coating bath is bathed.Described electromagnetism is smeared and is wiped away device 4 and be installed in gas and smear the top of wiping away container 5, and makes steel wire 1 smear the route of wiping away the container 5 of drawing from gas to keep vertical.During work, smear gas flow and the pressure of wiping away in the electrical autocontrol case 102 pilot-gas generating units 9, control and monitor the temperature of heated air in the gas heating case 8 simultaneously by gas.Gas in the gas generating unit 9 is transported to earlier 8 heating of gas heating case by the road, is transported to gas more by the road and smears and wipe away in the container 5, constitutes gas and smears and wipe away device (referring to Fig. 1,6).Because smearing, gas wipes away the sealing function that mouth 52 is soaked in the anti-zinc erosion in container 5 lower edges, make that enter gas smears the gas wiped away in the container 5 after being full of this container, can smear the gas of wiping away container 5 along gas and smear in the hot dipped steel wire passage 51 and overflow, the electromagnetism that enters side mounted thereto is smeared in the hot dipped steel wire passage 46 of wiping away device 4 and is emitted.Power≤the 10KW of the described gas heating case 8 of embodiment; The gas flow of described gas generating unit 9 be the 1-30 cubic meter/hour, can regulate arbitrarily; It is 28-500 ℃ that gas is smeared the temperature of wiping away.
The technological process of control method of the present invention and equipment is: steel wire 1 enters in the galvanizing zinc 6 in the zinc pot 7, walk around bar for pressing wire 11 then, vertically draw zinc-plated liquid level, entering gas smears and wipes away in the container 5, after gas is smeared examination, vertically entering electromagnetism immediately smears to wipe away and carries out electromagnetism in the device 4 and smear examination, smear to wipe away to smear at gas and wipe away dual or compound smearing under the effect of wiping away with electromagnetism, and by changing the size of electromagnetism (smear and wipe away) power, can reach the hot-dip coating thickness of accurate control steel wire 1, satisfy the requirement of going up the zinc amount simultaneously, realize low-cost, high-level efficiency, the high speed hot-dip galvanizing steel wire production line of the high quality and the feature of environmental protection.
The processing condition that described gas is smeared examination mainly are the Trace speeds according to Production for Steel Wire, by gas heating case 8, smear to gas that to wipe away implantation temperature in the container 5 be 50-500 ℃ heated air, and keeping Steel Wire Surface zinc be liquid state, prevents the oxidation of zinc; Under suitable gaseous tension, adjust the flow of gas, pilot-gas is smeared the size of the power of wiping away, and guarantees the quality of Steel Wire Surface, makes steel wire obtain continuous, bright and clean coating, faults such as no ring or list edge.Good gas is smeared trial work skill not only can guarantee to smear the examination quality, and can alleviate the electromagnetism that continues and smear and wipe away pressure, guarantees qualified last zinc amount requirement and good quality production quality.Obviously, at different product requirements, the compound examination technical matters of smearing is adjustable.
The control method of hot-dip coating thickness of the present invention goes for the steel wire of all specifications, has that adaptability is strong, broad covered area, production efficiency height, characteristics such as environmental.It is little that present device has a volume, less investment, advantage such as running cost is low.
The present invention does not address part and is applicable to prior art.
Provide several specific embodiment of the present invention below:
Adopt the inventive method and equipment to implement the steel-wire galvanizing of product diameter 1.6mm, zinc amount 150g/m in the requirement
2Its technological design is: Trace speed 60m/min, and DV=96 smears and wipes away gaseous tension 〉=0.5Mpa, smears and wipes away gas flow 30L/min, smears and wipes away 280 ℃ of gas heating temperature; Smearing and wiping away electromagnetic force is 35A.Its installation electromagnetical is smeared the internal electromagnetic coil of wiping away device 4 and is used diameter
The long ellipse coil made of copper pipe, electromagnetism is smeared and is wiped away the high 500mm * 70mm * 150mm of being of device 4 rectangular structure size length and width, the power 5KW of magnetic field generator 3, frequency 3KHz, electromagnetism smear the magnetic field force 35A that wipes away device 4,20 ℃ of recirculated cooling water temperature; The power 2KW of gas heating case 8 smears and wipes away gaseous tension 〉=0.5Mpa, smears and wipes away gas flow 30L/min, smears and wipes away 280 ℃ of gas heating temperature.After testing, the last zinc amount of gained steel wire product is 155g/m
2, steel wire coating thickness is even, and surface-brightening is indefectible.
Adopt the inventive method and equipment to implement the steel-wire galvanizing of product diameter 6.0mm, zinc amount 300g/m in the requirement
2Its technological design is: Trace speed 80m/min, and DV=480 smears and wipes away gaseous tension 1.0Mpa, smears and wipes away gas flow 50L/min, smears and wipes away 330 ℃ of gas heating temperature; Smearing and wiping away electromagnetic force is 50A.Installation electromagnetical is smeared the internal electromagnetic coil of wiping away device 4 and is used diameter
The long ellipse coil made of copper pipe, electromagnetism is smeared and is wiped away the high 500mm * 70mm * 150mm of being of device 4 rectangular structure size length and width, the power 5KW of magnetic field generator 3, frequency 3KHz, electromagnetism smear the magnetic field force 50A that wipes away device 4,20 ℃ of recirculated cooling water temperature; The power 2KW of gas heating case 8 smears and wipes away gaseous tension 1.0Mpa, smears and wipes away gas flow 30L/min, smears and wipes away 330 ℃ of gas heating temperature.After testing, the last zinc amount of gained steel wire product is 310g/m
2, steel wire coating thickness is even, and surface-brightening is indefectible.
Embodiment 3-6
Employing the inventive method and equipment are implemented the steel-wire galvanizing to steel wire diameter 2.5mm, 3.5mm, 4.0mm and 5.0mm respectively, and the zinc amount is respectively 250g/m in the requirement
2, 280g/m
2, 300g/m
2And 300g/m
2All the other processing condition designs are: the cabling linear speed is respectively 60m/min, 70m/min, 77m/min and 80m/min, the DV value is respectively 150,245,308 and 400, smear and wipe away gaseous tension 〉=1.0Mpa, smear and wipe away gas flow 35L/min, 35L/min, 40L/min and 40L/min respectively, smear and wipe away the gas heating temperature between 280 ℃, 280 ℃, 330 ℃, 330 ℃; Smear and wipe away electromagnetic force and be respectively 28A, 35A, 40A and 47A.Installation electromagnetical is smeared the internal electromagnetic coil of wiping away device 4 and is used diameter
The long ellipse coil made of copper pipe, electromagnetism is smeared and is wiped away the high 500mm * 70mm * 150mm of being of device 4 rectangular structure size length and width, the power 5KW of magnetic field generator 3, frequency 3KHz, electromagnetism is smeared magnetic field force 28A, 35A, 40A and the 47A that wipes away device 4,20 ℃ of recirculated cooling water temperature.The power 2KW of gas heating case 8 smears and wipes away gaseous tension 〉=1.0Mpa, smears and wipes away gas flow 35L/min, 35L/min, 40L/min and 40L/min, smears and wipes away 280 ℃ of gas heating temperature, 280 ℃, 330 ℃, 330 ℃.After testing, the last zinc amount of gained galvanized steel wire product corresponds to 255g/m respectively
2,, 290g/m
2,, 305g/m
2, and 308g/m
2, the thickness of coating uniformity, surface-brightening, indefectible.
Other parameters of embodiment 1-6 are listed in the table 1, to make things convenient for reference.
Table 1: the partial parameters table of embodiment 1-6
| Sequence number | Steel wire diameter mm | Steel wire speed m/min | The DV value | Last zinc amount g/m 2 | Gas is smeared and is wiped away pressure Mpa | Gas flow L/min | Gas temperature ℃ | Electromagnetism is smeared and is wiped away |
| 1 | 1.6 | 60 | 96 | 155 | ≥0.5 | 30 | 250-300 | 35 |
| 2 | 2.5 | 60 | 150 | 255 | ≥1 | 35 | 280-400 | 28 |
| 3 | 3.5 | 70 | 245 | 290 | ≥1 | 35 | 280-400 | 35 |
| 4 | 4.0 | 77 | 308 | 305 | ≥1 | 40 | 280-400 | 40 |
| 5 | 5.0 | 80 | 400 | 308 | ≥1 | 40 | 280-400 | 47 |
| 6 | 6.0 | 80 | 480 | 310 | ≥1 | 50 | 330-400 | 50 |
Embodiment 1-6 explanation, the inventive method and apparatus adaptability are fine, applicable to the hot dip of steel wire of full specification.In addition, though embodiment all is example with the steel-wire galvanizing, hot-dipping method of the present invention and equipment not only are fit to pot galvanize, and suitable hot dip alloy, as aluminium zinc and other coating alloys of Galfan, Galvalume, other components.
Claims (5)
1. the operating device of a thickness of steel wire hot-plating layer, comprising that rare gas element is smeared wipes away gas that technology uses and smears and wipe away device, it is characterized in that this operating device is included in described gas and smears the gas of wiping away device and smear the perpendicular electromagnetism of putting installation in the top of wiping away container and smear the electromagnetism of wiping away device and smear and wipe away device, and make hot dipped steel wire smear the route of wiping away the device of drawing to keep vertical from electromagnetism; Described electromagnetism is smeared and is wiped away device and comprise that electromagnetism is smeared and wipe away device, smears with electromagnetism and wipes away magnetic field generator and the automatization electric control box that device is electrically connected successively; The automatization electric control box comprises that magnetic field generator main control computer and gas are smeared and wipes away the electrical autocontrol case; Electromagnetism is smeared and is wiped away device and magnetic field generator and be fitted with a cover constant temperature cooling system;
Described electromagnetism is smeared and wiped away device is the rectangular box structure, casing is to be the symmetrical minute body structure at center with vertical hot dipped steel wire passage, divide in the body structure casing and be symmetrically installed with left I shape skeleton and right I shape skeleton, a left side, right I shape skeleton and on be set with solenoid, solenoid is on a left side, right I shape skeleton both sides form the left solenoid and the right solenoid of symmetrical parallel, on a left side, symmetry is filled with left magnetic field enhancing magnetizer and right magnetic field enhancing magnetizer, a left side outside the right solenoid, right magnetic field strengthens magnetizer and is positioned a left side, within the horizontal clearance of right I shape skeleton; The extension at this solenoid two is smeared as electromagnetism and is wiped away smearing of device and wipe away the device interface; Described electromagnetism is smeared and is wiped away device and smear through electromagnetism and wipe away the device interface and be electrically connected with described magnetic field generator; Magnetic field generator is connected with magnetic field generator main control computer in the automatization electric control box by connecting lead, and is controlled by the magnetic field generator main control computer; The power 1-100KW of described magnetic field generator, frequency 1-500KHz, the electromagnetic force scope is 20-1000A;
Smear the water coolant clamping plate that the both sides of wiping away device are separately installed with the constant temperature cooling system at electromagnetism, bottom at water coolant clamping plate is provided with water-in, bottom at another piece water coolant clamping plate sets out the mouth of a river, and water-in is connected with constant temperature cooling system main frame through water-cooled tube with water outlet.
2. the operating device of thickness of steel wire hot-plating layer according to claim 1, it is characterized in that described gas smears the bottom of wiping away container and have the erosion of anti-zinc to soak mouth, it is little that the geomery that mouth is soaked in anti-zinc erosion is smeared the geomery of wiping away container bottom than gas, adopts the zinc of anti-liquid corrosion material ferroboron to make.
3. according to the operating device of the described thickness of steel wire hot-plating layer of claim 1, the electromagnetism that it is characterized in that described rectangular box structure smear wipe away the device size design require be: under the certain situation of width and requirement for height, it is selected in 50-1000mm that electromagnetism is smeared the length of wiping away device; Under the certain situation of length and requirement for height, it is selected in 50-300mm that electromagnetism is smeared the width of wiping away device; Under the certain situation of length and width requirement, it is selected in 50-500mm that electromagnetism is smeared the height of wiping away device.
4. according to the operating device of the described thickness of steel wire hot-plating layer of claim 1, it is characterized in that described solenoid is spiral-shaped, the transverse section is ellipse or long ellipse shape, and described solenoid is to use diameter
Circular copper pipe, perhaps use the square copper pipe of 2mm * 2mm～8mm * 8mm to make.
5. according to the operating device of the described thickness of steel wire hot-plating layer of claim 1, it is characterized in that the power≤10KW of gas heating case; The gas flow of gas generating unit be the 1-30 cubic meter/hour, can regulate arbitrarily; It is 28-500 ℃ that gas is smeared the temperature of wiping away.
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| CN2009100707882A CN101665897B (en) | 2009-10-14 | 2009-10-14 | Method and device for controlling thickness of steel wire hot-plating layer |
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| CN2009100707882A CN101665897B (en) | 2009-10-14 | 2009-10-14 | Method and device for controlling thickness of steel wire hot-plating layer |
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| CN101665897B true CN101665897B (en) | 2011-01-05 |
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Denomination of invention: Method and device for controlling thickness of steel wire hot-plating layer Effective date of registration: 20120604 Granted publication date: 20110105 Pledgee: China Minsheng Banking Corp Tianjin branch Pledgor: Tianjin Gongda Galvanizing Equipment Co., Ltd. Registration number: 2012990000256 |
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