CN203382813U - Hot-galvanizing equipment - Google Patents
Hot-galvanizing equipment Download PDFInfo
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- CN203382813U CN203382813U CN201320439347.7U CN201320439347U CN203382813U CN 203382813 U CN203382813 U CN 203382813U CN 201320439347 U CN201320439347 U CN 201320439347U CN 203382813 U CN203382813 U CN 203382813U
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Abstract
The utility model provides hot-galvanizing equipment. The hot-galvanizing equipment comprises a galvanizing device, a water cooling groove and two guide rollers, wherein the galvanizing device comprises a galvanizing box, a zinc storage groove, a first heating device and a second heating device, wherein a daubing and testing device is arranged at a steel wire outlet of the galvanizing box; an inlet end of the zinc storage groove is communicated with a steel wire inlet of the galvanizing box through a gas protection cover in a sealing manner; an outlet end of the zinc storage groove is communicated with the galvanizing box through a pipeline and a circulating pump; the first heating device is arranged on the galvanizing box; the second heating device is arranged on the zinc storage groove; a steel wire inlet of the water cooling groove is communicated with the steel wire outlet of the galvanizing box through the gas protection cover in a sealing manner; the two guide rollers are respectively arranged at the steel wire inlet of the galvanizing box and a steel wire outlet of the water cooling groove. Galvanized steel wires manufactured by the hot-galvanizing equipment have the anti-corrosion property the same as that of hot-galvanizing steel wires and have high plastic deformation capacity similar to that of electrogalvanizing layers, and meanwhile, the formation of gamma phase Fe-Zn alloy layers with high hardness and poor plasticity is avoided.
Description
Technical field
The utility model belongs to galvanized steel wire and manufactures field, is specifically related to a kind of hot-galvanizing equipment.
Background technology
Galvanized steel wire is widely used because of its good antiseptic property.Up to now, zincincation has electro-galvanizing and the large class of pot galvanize two.Galvanizing technique is by electroplating, zinc is attached to Steel Wire Surface according to electrochemical principle, have coating homogeneous microstructure, characteristics that plasticity is good, but coating is thin, and the zinc-plated amount on the bethanized wire surface of suitability for industrialized production is generally less than per kilogram Steel Wire Surface 30 grams.Because the coating of electro-galvanizing is thin, its antiseptic property is poorer than hot-dip galvanizing steel wire.
Hot dip galvanizing process is the zinc through fused solution by steel wire, Steel Wire Surface and zinc produce reaction and generate Fe content γ phase, δ phase, ζ phase and η phase Fe-Zn alloy layer from high to low, galvanized layer thickness is large, and the zinc-plated amount of Steel Wire Surface can surpass per kilogram Steel Wire Surface 30 grams.When zinc coating comprises containing γ phase fe-zn alloy layer, because Fe content in γ phase fe-zn alloy layer is about 25%, in δ phase Fe-Zn alloy layer, Fe content is about 10%, in ζ phase Fe-Zn alloy layer, Fe content is about 6%, η is middle Fe content<0.3% mutually, therefore in whole coating, the weight percentage of Fe is greater than 4%, and the weight percentage of typical heat zinc coating Fe is 5.6%.But in the Fe-Zn alloy layer, γ phase hardness high-ductility is poor, be unfavorable for that galvanized steel wire carries out the plastic working of aximal deformation value.After viscous deformation, because viscous deformation also occurs zinc coating, be difficult for observing the gamma phase alloy layer by metallographic method, but due to the existence of γ phase, and surperficial pure Zn layer peels off, coating mean F e content can surpass 5%.
Carbon content surpasses Fe-Zn alloy layer that 0.6% medium high carbon steel wire forms in hot galvanizing process than the Fe-Zn Alloy Plating bed thickness of soft steel steel wire, and, along with carbon content rises, Fe-Zn alloy layer thickness significantly increases.In steel, the increase of si content also can significantly increase Fe-Zn alloy layer thickness simultaneously.Along with technical progress, grow with each passing day to the thick galvanized steel wire demand of the high silicon of high-carbon in market, the thickness of coating of bethanized wire is difficult to reach requirement, and the high silicon steel silk of the high-carbon of pot galvanize twisting property is poor, follow-up aximal deformation value plastic working difficulty, it is much lower that the galvanized steel wire that its plastic working becomes or the fatigue property that is twisted into wireline are made into wireline than bethanized wire.
At present hot-galvanizing equipment all adopts the zinc pot, and steel wire first is tilted to down and enters the zinc pot that fused solution zinc is housed, through the deflector roll be immersed in zinc liquid, turn to, more vertical or be tilted to and pull out the zinc pot.Steel wire unavoidably can be swiped on deflector roll, affect steel wire surface quality and surface protection film (as electrolytic coating), and then reduction galvanized steel wire twisting property cause the generation of γ phase Fe-Zn alloy layer.
Summary of the invention
The utility model purpose is to provide a kind of hot-galvanizing equipment, overcomes the above-mentioned defect existed in prior art.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of galvanized steel wire, comprise steel wire and the zinc coating that coats the steel wire outside surface from inside to outside successively, and wherein steel wire is the medium high carbon steel wire that the carbon weight percentage is greater than 0.6%, and the surface galvanizing amount is greater than 60g/ per kilogram steel wire.
Further, when described gauge of wire is greater than 1mm, the surface galvanizing amount is greater than 60g/ per kilogram steel wire; When described gauge of wire is not more than 1mm, the surface galvanizing amount is greater than 76g/ per kilogram steel wire.
Also comprise from inside to outside δ phase Fe-Zn alloy layer, ζ phase Fe-Zn alloy layer and η phase Fe-Zn alloy layer between described steel wire and zinc coating, perhaps between steel wire and zinc coating, also comprise from inside to outside ζ phase Fe-Zn alloy layer and η phase Fe-Zn alloy layer, or also comprise from inside to outside η phase Fe-Zn alloy layer between steel wire and zinc coating.
Further, in the outer whole coating of described steel wire, the weight percentage of iron is less than 4%.Because the zinc-plated amount of Steel Wire Surface is greater than the 60g/ per kilogram, and there is no γ phase Fe-Zn alloy layer between steel wire and zinc coating, galvanized layer thickness is not less than 60% at the per-cent of whole thickness of coating, and therefore, in the outer whole coating of described steel wire, the weight percentage of iron is less than 4%.
Also contain weight percentage in described zinc coating and be no more than 0.2% Al.
In addition, galvanized steel wire described in the utility model can be made into through viscous deformation the galvanized steel wire that diameter is less than 0.25mm, and the steel wire shape of cross section after viscous deformation is circular or special-shaped.Galvanized steel wire described in the utility model can obtain wireline or Steel Tendon through establishment, and this wireline (or Steel Tendon) has been inherited the antiseptic property of the utility model galvanized steel wire and the advantage of high-ductility (containing high fatigue property).
In the utility model, the zinc-plated amount of galvanized steel wire is greater than 60g/ kilogram steel wire, reaches the pot galvanize level, has the antiseptic property same with hot-dip galvanizing steel wire; Avoided the generation of the distinctive γ phase of hot dip galvanizing coating Fe-Zn alloy layer simultaneously, make zinc coating of the present utility model there is the high-ductility deformability similar with electro-galvanized layer, improved coating plastic property and steel wire plasticity-working ability that carbon content is greater than 0.6% the high silicon galvanized steel wire of medium high carbon galvanized steel wire, especially high-carbon.
The manufacture method of galvanized steel wire of the present utility model, comprise the steps:
1) steel wire is carried out after electro-galvanizing or Electroplating Aluminum or electro-galvanizing aluminium alloy, obtain the metal plated steel wire with electrolytic coating, degreasing is carried out in the surface of the metal plated steel wire of acquisition and help plating to process;
2) degreasing is helped the metal plated steel wire after plating is processed enter hot-galvanizing equipment, metal plated steel wire through the fused solution zinc of anti-oxidation gas shield carry out pot galvanize, then after anti-oxidation gas shield and water-cooled, obtain described galvanized steel wire; Wherein, the pot galvanize temperature is controlled between 420～500 ℃, the pot galvanize time is 1～9s, during pot galvanize, the thickness of hot galvanized layer is by the metal plated steel wire Trace speed and smear and wipe away device and controlled, the Trace speed of metal plated steel wire is 0.2～1.0m/s, smears to wipe away device and adopt the round-meshed ceramic plate of tool to be smeared to wipe away, and the Circularhole diameter of ceramic plate is than the large 0.08～1.0mm of steel wire diameter.
Above-mentioned steps 2), in, after anti-oxidation gas shield and water-cooled, obtain the galvanized steel wire of required zinc coating; Wherein anti-oxidation gas is nitrogen; Water-cooled adopts to be controlled cold from cooling section type of cooling of the gradient to 30～70 ℃ of water at low temperature cooling sections of 70～95 ℃ of high-temperature water.
For hot-dip galvanizing steel wire, in order further to strengthen the cement properties between Steel Wire Surface and zinc coating, can contain the Al of weight percent concentration≤0.2% in fused solution zinc.
Above-mentioned steps 2) in, the pot galvanize temperature is controlled between 420～500 ℃, the pot galvanize time according to the gauge control of electrolytic coating at 1～9s, to guarantee that electrolytic coating does not melt fully in the hot dip zinc box, due to Fe to time of pure zinc layer diffusion less than 10s, the incubation time that forms γ phase Fe-Zn alloy layer between Steel Wire Surface and liquid Zn is inadequate, has guaranteed not have γ phase Fe-Zn alloy layer to generate.
Hot-galvanizing equipment of the present utility model, comprise, galvanizing rig, it comprises zinc-plated case, storage zinc groove, first heater, secondary heating mechanism, wherein, zinc-plated case both sides are respectively equipped with steel wire inlet, steel wire outlet, and steel wire inlet is not higher than the steel wire outlet, and zinc-plated case steel wire exit is provided with fused solution zinc is smeared to wipe away smearing of Steel Wire Surface wipes away device; The entrance end of storage zinc groove is communicated with by the sealing of gas shield cover with the steel wire inlet of zinc-plated case, and the exit end of storage zinc groove is communicated with zinc-plated case by pipeline and a recycle pump; First heater is installed on zinc-plated case, and secondary heating mechanism is installed on storage zinc groove; Water cooling tank, its both sides are respectively equipped with steel wire inlet, steel wire outlet, and the steel wire inlet of water cooling tank is communicated with by the sealing of gas shield cover with the outlet of the steel wire of zinc-plated case; Two deflector rolls, be arranged at respectively the steel wire inlet place of zinc-plated case, the steel wire exit of water cooling tank.
Further, also comprise aqua storage tank, recycle pump, heat exchanger, aqua storage tank respectively with water cooling tank and recycle pump water-in communicate, the water outlet of recycle pump is connected with the entrance end of heat exchanger, the exit end of heat exchanger communicates with water cooling tank.
Described water cooling tank is the multi-stage type water cooling tank, be preferably the syllogic water cooling tank, comprise the first paragraph water cooling tank, the second segment water cooling tank that connect successively, the 3rd section water cooling tank, wherein, the first paragraph water cooling tank is provided with steel wire inlet, the 3rd section water cooling tank is provided with the steel wire outlet; Aqua storage tank respectively with first paragraph water cooling tank and recycle pump water-in communicate, the exit end of heat exchanger communicates with the 3rd section water cooling tank.
Further, describedly smear that to wipe away device be the round-meshed ceramic plate of tool, the Circularhole diameter of ceramic plate is than the large 0.08～1.0mm of steel wire diameter.
Further, the steel wire inlet of described zinc-plated case, steel wire outlet are circular hole.
Further, described first, second heating unit is electric heating panel or electrically heated rod or gas-operated thermal bath facility.
Further, the mode that described zinc-plated case is placed is horizontal positioned or slant setting.
In the utility model, obtain fused solution zinc after the zinc heat fused, fused solution zinc flows into zinc-plated case from the storage zinc box, from the steel wire inlet of zinc-plated case, flows out, and flows back in the storage zinc box, and circulates between zinc-plated case and storage zinc box by recycle pump.Metal plated steel wire enters from the steel wire inlet of zinc-plated case the zinc-plated case that is full of fused solution zinc under deflector roll guiding and positioning action, from the steel wire exit of zinc-plated case, passes, and enters water cooling tank cooling, then, through deflector roll guiding and location, finally enters take-up.The ceramic plate that install in the steel wire exit is smeared fused solution zinc to wipe away on the metal plated steel wire surface, makes its surface have certain thickness liquid Zn layer.Surface is smeared the steel wire of wiping away liquid Zn and is entered immediately water cooling tank and carry out coolingly, and liquid Zn is solidified into solid-state zinc coating through water condensation, finally obtains galvanized steel wire of the present utility model.The part of fused solution zinc ingress of air all has anti-oxidation gas shield, and pressure-fired is controlled.Spacing between the length of described zinc-plated case, zinc-plated case and water-chilling plant is all adjustable.
Preferably, water cooling tank is the syllogic water cooling tank, water coolant from back segment the 3rd section water cooling tank to second segment, first paragraph water cooling tank, flow successively, water temperature raises gradually, and circulates between water cooling tank and aqua storage tank by recycle pump and heat exchanger.Surface is smeared the steel wire of wiping away liquid Zn and is entered from the first paragraph water cooling tank, through cooling from cooling section gradient to the water at low temperature cooling section of high-temperature water, from the 3rd section water cooling tank, passes, and through deflector roll, traction enters take-up.
The beneficial effects of the utility model:
1. the zinc-plated amount of the utility model galvanized steel wire is greater than 60g/ per kilogram steel wire, reached the pot galvanize level, in its antiseptic property, the salt mist experiment time reached more than 202 hours, and in the plastic property test, number of torsions reaches more than 38 times, has good Corrosion Protection and plastically deformable ability;
2. do not generate γ phase Fe-Zn alloy layer in the utility model galvanized steel wire between steel wire and zinc coating, in the outer whole coating of steel wire, the weight percentage of iron is less than 4%, when it is drawn into to diameter and is less than the steel wire of 0.25mm, zinc damages≤15%, number of torsions is over 21 times, zinc coating has the high-ductility deformability similar with electro-galvanized layer, has improved coating plastic property and plasticity-machining deformation ability that carbon content is greater than 0.6% the high silicon galvanized steel wire of medium high carbon galvanized steel wire, especially high-carbon;
3. galvanized steel wire of the present utility model is through viscous deformation, as drawing processing, can obtain the steel wire that diameter is less than 0.25mm, wireline or Steel Tendon that further establishment processing obtains, also there is high antiseptic property and good fatigue property, being specially the salt mist experiment time reached more than 150 hours, and the flexural fatigue number of times reaches 920,000 times;
4. zinc-plated case of the present utility model is interior without deflector roll is installed, therefore in galvanizing process, the electrolytic coating of Steel Wire Surface can not be scratched, and then can not cause that γ phase Fe-Zn alloy layer forms, and has guaranteed that galvanized steel wire has good coating plastic property and plasticity-working ability.
The accompanying drawing explanation
The manufacturing process flow schematic diagram that Fig. 1 is the utility model galvanized steel wire;
The structural representation that Fig. 2 is hot-galvanizing equipment of the present utility model;
The structural representation of the galvanized steel wire that Fig. 3 is the utility model embodiment 1;
The structural representation of the galvanized steel wire that Fig. 4 is the utility model embodiment 2;
The structural representation of the galvanized steel wire that Fig. 5 is the utility model embodiment 3;
The structural representation of the galvanized steel wire that Fig. 6 is the utility model embodiment 4.
In above-mentioned Fig. 5-6,1 is steel wire, and 2 is zinc coating, and 3 is δ phase Fe-Zn alloy layer, and 4 is ζ phase Fe-Zn alloy layer, and 5 is η phase Fe-Zn alloy layer.
Embodiment
Below in conjunction with specific embodiment, the technical solution of the utility model is described in further detail.
Referring to Fig. 2, hot-galvanizing equipment of the present utility model, comprise deflector roll 15, galvanizing rig, water cooling tank 17 and deflector roll 18, wherein, galvanizing rig, it comprises zinc-plated case 16, storage zinc groove 22, first heater, secondary heating mechanism, wherein, zinc-plated case 16 both sides are respectively equipped with steel wire inlet 16-1, steel wire outlet 16-2, and steel wire inlet 16-1 is higher than steel wire outlet 16-2, and steel wire outlet 16-2 place is provided with fused solution zinc is smeared to wipe away smears electricity testing device 24 in Steel Wire Surface; The entrance end of storage zinc groove 22 is communicated with by 30 sealings of gas shield cover with the steel wire inlet 16-1 of zinc-plated case 16, and the exit end of storage zinc groove 22 is communicated with zinc-plated case 16 by pipeline and a recycle pump 23; First heater is installed on zinc-plated case 16, and secondary heating mechanism is installed on storage zinc groove 22; Water cooling tank 17, its both sides are respectively equipped with steel wire inlet 17-1, steel wire outlet 17-2, and the steel wire inlet 17-1 of water cooling tank 17 is communicated with by the 30 ' sealing of gas shield cover with the steel wire of zinc-plated case 16 outlet 16-2; Deflector roll 15 is arranged at the steel wire inlet 16-1 place of zinc-plated case 16, and deflector roll 18 is arranged at the steel wire outlet 17-2 place of water cooling tank 17.
Further, described water cooling tank 17 is the syllogic water cooling tank, comprise the first paragraph water cooling tank 17-3, the second segment water cooling tank 17-4 that connect successively, the 3rd section water cooling tank 17-5, wherein, first paragraph water cooling tank 17-3 is provided with steel wire inlet 17-1, the 3rd section water cooling tank 17-5 is provided with steel wire outlet 17-2.
Further, galvanizing equipment of the present utility model also comprises aqua storage tank 25, recycle pump 26, heat exchanger 27, aqua storage tank 25 respectively with first paragraph water cooling tank 17-3 and recycle pump 26 water-in communicate, the water outlet of recycle pump 26 is connected with the entrance end of heat exchanger 27, and the exit end of heat exchanger 27 communicates with the 3rd section water cooling tank 17-5.
Further, the described electricity testing device 24 of smearing is for the round-meshed ceramic plate of tool.
The steel wire inlet 16-1 of described zinc-plated case 16, steel wire outlet 16-2 are circular hole.
Described first, second heating unit is electric heating panel 21,21 '.
The mode that described zinc-plated case 16 is placed is slant setting.
As shown in Figure 1, the high carbide low alloy steel wire 100 that the weight percentage that diameter is 0.84mm and carbon is 0.7% first passes through electro-galvanizing after Overheating Treatment, zinc-plated amount is per kilogram Steel Wire Surface 3g, be received on H-wheel 10 as raw material, from actinobacillus device 11, emit, through degreasing tank 12, hot water washing groove 13 and hot-air drying device 14, remove the greasy dirt on electro-galvanized layer surface, the metal plated steel wire after the acquisition skimming treatment.
Then by the process of the metal plated steel wire after skimming treatment plastics deflector roll 15, this deflector roll 15 is tilted to 45 °, enters hot-galvanizing equipment.
As shown in Figure 2, the steel wire inlet 16-1 of zinc-plated case 16 and steel wire outlet 16-2 is equipped with gas shield cover 30,30 ', in gas shield cover 30,30 ', passes into nitrogen, prevents fused solution zinc and airborne oxygen reaction and oxidation.Fused solution zinc is injected into zinc-plated case 16 from storage zinc groove 22 through recycle pump 23, the discharge of the fused solution zinc flowed out in the influx of fused solution zinc and zinc-plated case 16 steel wire inlet 16-1 equates, guarantee to be full of fused solution zinc in zinc-plated case 16, the liquid Zn of outflow flows back in storage zinc groove 22 again.Zinc-plated case 16 surroundings and storage zinc groove 22 surroundings are equipped with electric heating panel 21,21 ', and the temperature that detects liquid Zn by thermopair is controlled electric heating panel 21,21 ' heating power, guarantees that the interior liquid Zn temperature of zinc-plated case 16 is controlled at 440～450 ℃.
Zinc-plated case 16 can be realized by splicing the adjustment of different lengths, zinc-plated case 16 length of the present embodiment are 1 meter, be provided with to smear at the steel wire outlet 16-2 place of zinc-plated case 16 and wipe away device 24, smear and wipe away device 24 and adopt the round-meshed ceramic plate of tool to carry out the hot zinc of melting to smear and wipe away, Circularhole diameter on ceramic plate is 1.0mm, the Trace speed of metal plated steel wire is 0.5 meter per second, and the zinc-plated amount of Steel Wire Surface reaches 100 grams/kilogram steel wire.The steel wire that surface is coated with fused solution zinc from the steel wire outlet 16-2 of zinc-plated case 16 out, enter into immediately the syllogic water cooling tank, water flows forward from the 3rd section the highest water cooling tank 17-5 section, water temperature raises gradually, through second segment water cooling tank 17-4 and first paragraph water cooling tank 17-3, flow out successively, water temperature raises gradually from the 3rd section 60 ℃ to 95 ℃ of first paragraphs.Galvanized steel wire has experienced from cooling section gradient to the water at low temperature cooling section of high-temperature water cooling.Last galvanized steel wire 110, through deflector roll 18, enters into take-up 19.
The time that bethanized wire stops in zinc-plated case is 2s, and electro-galvanized layer does not melt fully, and the incubation time that forms γ phase Fe-Zn alloy layer between Steel Wire Surface and liquid Zn is inadequate, so does not form γ phase Fe-Zn alloy layer between steel wire and zinc coating.Smear and wipe away ceramic plate device control galvanized layer thickness, make the quality of Steel Wire Surface liquid Zn reach 100g/ kilogram steel wire.Liquid Zn is solidified into solid-state zinc coating through water condensation, and coating is pure zinc structure, has obtained the galvanized steel wire product of the present embodiment.
The galvanized steel wire that the present embodiment obtains as shown in Figure 3, comprises the zinc coating 2 of steel wire 1 and coating steel wire outside surface from inside to outside successively, there is no the Fe-Zn alloy layer between steel wire and zinc coating.Wherein steel wire is the medium high carbon steel wire that the carbon weight percentage is 0.7%, and the zinc-plated amount of Several Thiourea Derivatives on Zinc Plate Surface is 100g/ kilogram steel wire, and in the outer whole coating of steel wire, the weight percentage of iron is 0.1%.Through laboratory, detect, in the antiseptic property test of the present embodiment galvanized steel wire, the salt mist experiment time reaches 240 hours, and in the plastic property test, number of torsions reaches 52 times.
This galvanized steel wire, through the water tank drawbench drawing of 17 passages, obtains diameter 0.13mm galvanized steel wire, and coating weight is 85g/kg, and it is only 15% that zinc damages, and number of torsions reaches (testing method: 100xDia) 26 times.Carry out twisting through pipe twisting machine again, obtain the galvanized wire rope of 3x3x0.13.Through laboratory, detect, in the antiseptic property test to galvanized wire rope, the salt mist experiment time reaches 150 hours; In fatigue property, the flexural fatigue number of times reaches 920,000 times.
Add 0.18% Al in fused solution zinc, and reduce the steel wire Trace speed to 0.4m/s, making the time that bethanized wire stops in zinc-plated case is 2.5s, steel wire diameter, touch and wipe away the Circularhole diameter on ceramic plate in device, and other Processes and apparatus obtain galvanized steel wire as shown in Figure 4 with embodiment 1.
Galvanized steel wire prepared by the present embodiment has η phase Fe-Zn alloy layer 5 structures, galvanized layer thickness is not less than 60% at the per-cent of whole thickness of coating, as shown in Figure 4, wherein steel wire is the medium high carbon steel wire that the carbon weight percentage is 0.9%, the zinc-plated amount of zinc coating is 94g/ kilogram steel wire, the weight percentage 0.5% of iron in the outer whole coating of steel wire.
Steel wire detects through laboratory, and in the antiseptic property test, the salt mist experiment time reaches 216 hours, and in the plastic property test, number of torsions reaches 48 times.
Embodiment 3
Reduce steel wire Trace speed 0.25m/s, making the time that bethanized wire stops in zinc-plated case is 4s, and other Processes and apparatus is with embodiment 1.
Galvanized steel wire prepared by the present embodiment has ζ phase Fe-Zn alloy layer 4 and η phase Fe-Zn alloy layer 5 structures, galvanized layer thickness is not less than 60% at the per-cent of whole thickness of coating, as shown in Figure 5, wherein steel wire is the medium high carbon steel wire that the carbon weight percentage is 0.8%, the zinc-plated amount of zinc coating is 90g/ kilogram steel wire, the weight percentage 1.2% of iron in the outer whole coating of steel wire.
Steel wire detects through laboratory, and in the antiseptic property test, the salt mist experiment time reaches 202 hours, and in the plastic property test, number of torsions reaches 40 times.
Reduce steel wire Trace speed 0.2m/s, making the time that bethanized wire stops in zinc-plated case is 5s, and other Processes and apparatus, with embodiment 1, obtains galvanized steel wire.
Galvanized steel wire prepared by the present embodiment has δ phase Fe-Zn alloy layer 3, ζ phase Fe-Zn alloy layer 4 and η phase Fe-Zn alloy layer 5 structures, galvanized layer thickness is not less than 60% at the per-cent of whole thickness of coating, as shown in Figure 6, wherein steel wire is the medium high carbon steel wire that the carbon weight percentage is 0.72%, the zinc-plated amount of zinc coating is 80g/ kilogram steel wire, the weight percentage 3.2% of iron in the outer whole coating of steel wire.
Steel wire detects through laboratory, and in the antiseptic property test, the salt mist experiment time reaches 210 hours, and in the plastic property test, number of torsions reaches 38 times.
Claims (6)
1. a hot-galvanizing equipment, is characterized in that, comprise,
Galvanizing rig, it comprises zinc-plated case, storage zinc groove, first heater, secondary heating mechanism, and wherein, zinc-plated case both sides are respectively equipped with steel wire inlet, steel wire outlet, steel wire inlet is not higher than the steel wire outlet, and the steel wire exit is provided with fused solution zinc is smeared to wipe away smearing of Steel Wire Surface wipes away device; The entrance end of storage zinc groove is communicated with by the sealing of gas shield cover with the steel wire inlet of zinc-plated case, and the exit end of storage zinc groove is communicated with zinc-plated case by pipeline and a recycle pump; First heater is installed on zinc-plated case, and secondary heating mechanism is installed on storage zinc groove;
Water cooling tank, its both sides are respectively equipped with steel wire inlet, steel wire outlet, and the steel wire inlet of water cooling tank is communicated with by the sealing of gas shield cover with the outlet of the steel wire of zinc-plated case;
Two deflector rolls, be arranged at respectively the steel wire inlet place of zinc-plated case, the steel wire exit of water cooling tank.
2. hot-galvanizing equipment as claimed in claim 1, it is characterized in that, also comprise aqua storage tank, recycle pump, heat exchanger, aqua storage tank respectively with water cooling tank and recycle pump water-in communicate, the water outlet of recycle pump is connected with the entrance end of heat exchanger, and the exit end of heat exchanger communicates with water cooling tank.
3. hot-galvanizing equipment as claimed in claim 1 or 2, is characterized in that, described water cooling tank is the multi-stage type water cooling tank.
4. hot-galvanizing equipment as claimed in claim 3, it is characterized in that, described water cooling tank is the syllogic water cooling tank, comprise the first paragraph water cooling tank, the second segment water cooling tank that connect successively, the 3rd section water cooling tank, wherein, the first paragraph water cooling tank is provided with steel wire inlet, the 3rd section water cooling tank is provided with the steel wire outlet; Aqua storage tank respectively with first paragraph water cooling tank and recycle pump water-in communicate, the exit end of heat exchanger communicates with the 3rd section water cooling tank.
5. hot-galvanizing equipment as claimed in claim 1, is characterized in that, describedly smears that to wipe away device be the round-meshed ceramic plate of tool.
6. hot-galvanizing equipment as claimed in claim 1, is characterized in that, described first, second heating unit is electric heating panel, electrically heated rod or gas-operated thermal bath facility.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320439347.7U CN203382813U (en) | 2013-07-23 | 2013-07-23 | Hot-galvanizing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320439347.7U CN203382813U (en) | 2013-07-23 | 2013-07-23 | Hot-galvanizing equipment |
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| CN203382813U true CN203382813U (en) | 2014-01-08 |
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| CN201320439347.7U Withdrawn - After Issue CN203382813U (en) | 2013-07-23 | 2013-07-23 | Hot-galvanizing equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388117A (en) * | 2013-07-23 | 2013-11-13 | 江苏宝钢精密钢丝有限公司 | Zinc-coated steel wire as well as manufacturing method and hot-dip galvanizing equipment thereof |
| CN110184554A (en) * | 2019-05-30 | 2019-08-30 | 江苏景源泓科技有限公司 | A kind of open type steel-wire galvanizing without nitrogen protection is smeared with electromagnetism wipes device |
-
2013
- 2013-07-23 CN CN201320439347.7U patent/CN203382813U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388117A (en) * | 2013-07-23 | 2013-11-13 | 江苏宝钢精密钢丝有限公司 | Zinc-coated steel wire as well as manufacturing method and hot-dip galvanizing equipment thereof |
| CN110184554A (en) * | 2019-05-30 | 2019-08-30 | 江苏景源泓科技有限公司 | A kind of open type steel-wire galvanizing without nitrogen protection is smeared with electromagnetism wipes device |
| CN110184554B (en) * | 2019-05-30 | 2023-12-22 | 河北鑫鹏通信设备有限公司 | Electromagnetic wiping device for hot galvanizing of open steel wire without nitrogen protection |
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