CN110923599B - Steel wire galvanization method and galvanization device used by same - Google Patents
Steel wire galvanization method and galvanization device used by same Download PDFInfo
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- CN110923599B CN110923599B CN201911229990.5A CN201911229990A CN110923599B CN 110923599 B CN110923599 B CN 110923599B CN 201911229990 A CN201911229990 A CN 201911229990A CN 110923599 B CN110923599 B CN 110923599B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 71
- 239000010959 steel Substances 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 44
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 158
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 156
- 238000005246 galvanizing Methods 0.000 claims abstract description 50
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 41
- 239000011701 zinc Substances 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 238000009434 installation Methods 0.000 claims abstract description 29
- 230000008569 process Effects 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims description 37
- 230000000903 blocking effect Effects 0.000 claims description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 abstract description 15
- 239000008397 galvanized steel Substances 0.000 abstract description 15
- 206010028980 Neoplasm Diseases 0.000 abstract description 5
- 230000001502 supplementing effect Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 239000013589 supplement Substances 0.000 abstract 1
- 238000007747 plating Methods 0.000 description 40
- 230000000694 effects Effects 0.000 description 13
- 238000012545 processing Methods 0.000 description 10
- 229910045601 alloy Inorganic materials 0.000 description 8
- 239000000956 alloy Substances 0.000 description 8
- 230000000712 assembly Effects 0.000 description 8
- 238000000429 assembly Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 7
- 239000010453 quartz Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 229910000611 Zinc aluminium Inorganic materials 0.000 description 6
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 description 6
- 230000001050 lubricating effect Effects 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000004519 grease Substances 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000009210 therapy by ultrasound Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/003—Apparatus
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/38—Wires; Tubes
Landscapes
- 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)
Abstract
The invention provides a steel wire galvanizing method and a galvanizing device used by the same, wherein in the steel wire galvanizing method, when rare earth is added in the galvanizing process, the rare earth is immersed into a galvanizing bath through the rare earth adding device, the rare earth adding device is detachably connected to the galvanizing bath, the rare earth adding device prevents the rare earth from floating upwards, and the rare earth adding device enables the rare earth to seep out from reserved seepage holes in the galvanizing process. The invention adds the rare earth into the galvanized liquid through the rare earth adding device, prevents the rare earth from floating upwards, improves the utilization ratio of the rare earth, ensures that the surface finish of the galvanized steel wire is high, has no tumor, is convenient for timely supplementing the rare earth, can directly move the installation inserted rod downwards, can take out the installation inserted rod and the rare earth container, is filled with the rare earth, can continuously supplement rare earth metal into the zinc liquid after the installation inserted rod is sleeved in the sleeve, has simple and reasonable structural design, is convenient to use and has strong practicability.
Description
Technical Field
The invention relates to the field of steel wire galvanization, in particular to a steel wire galvanization method and a galvanization device used by the same.
Background
The traditional hot galvanizing production line adds zinc-aluminum-rare earth alloy blocks (namely Zn-0.2% Al-RE) into a zinc pot, and an alloy coating is formed on the surface of a steel wire, so that the traditional process is easy to generate leakage degree and thicker in coating, the coating is not easy to fall off, and has weak corrosion resistance, at present, the domestic galvanization process for the steel wire mainly comprises the step of adding 55% of zinc-aluminum alloy/pure zinc into a galvanization solution, the method is low in cost, but the steel wire is poor in smooth finish, the surface can generate tumor, rare earth is added in the smelting process of the zinc-aluminum alloy in the later stage, and the galvanization effect is good, the surface is smooth and clean but the cost is high after 5% of zinc-aluminum alloy containing rare earth is added into the galvanization solution. The process of adding RE to zinc plating liquid may be used to reach the zinc plating effect, and has high surface smoothness and low cost. The galvanized steel wire is measured through a manual accelerated corrosion test (salt spray test), red rust can only appear in 70 hours, and the time of the galvanized steel wire to appear red rust is 40-50 hours higher than that of the common galvanized steel wire.
However, the density of rare earth is lower than that of zinc, the rare earth is directly put into the zinc plating solution, and the rare earth floats on the surface of the zinc plating solution and cannot be uniformly dissolved in the zinc plating solution, so that the zinc plating effect is poor and the zinc plating efficiency is low.
Disclosure of Invention
The invention aims to provide a steel wire galvanizing method and a galvanizing device used by the same, which solve the problems of poor galvanizing effect and low galvanizing efficiency caused by that rare earth density is lower than that of zinc in the existing steel wire galvanizing process and is directly put into a galvanizing solution, and the rare earth floats on the surface of the galvanizing solution and cannot be uniformly dissolved in the galvanizing solution.
In order to achieve the above purpose, the present invention proposes the following technical scheme: a method for galvanizing steel wire features that the rare earth is immersed in the galvanizing pool by rare earth adding unit to prevent the rare earth from floating up.
Preferably, the rare earth adding device is positioned in the middle of the zinc liquid.
Preferably, the galvanization temperature is controlled between 450 ℃ and 465 ℃.
Preferably, when rare earth needs to be added, the rare earth adding device is detached from the galvanized bath, the rare earth to be reacted is added into the rare earth adding device, and then the rare earth adding device is installed on the galvanized bath, so that the rare earth continues to react.
The utility model provides a steel wire galvanizing equipment, includes rare earth adding device, rare earth adding device includes rare earth container and installs the coupling mechanism in the galvanizing bath with rare earth container, the last detachable rare earth container that is connected with of coupling mechanism, rare earth container is last to have seted up oozes the hole, ooze the hole and supply rare earth diffusion to the zinc liquid.
Preferably, one end of the connecting mechanism is fixedly connected with the galvanized pool, the connecting mechanism is detachably arranged, and the top of the rare earth container is covered by the bottom of the connecting mechanism.
Preferably, the connecting mechanism comprises an upper cover plate arranged on the galvanized bath, a bolt and a nut which are arranged on the upper cover plate, and a bolt sleeve sleeved on the bolt, wherein a sleeve is integrally formed on the bolt sleeve, a inserted link is arranged at the bottom of the sleeve, the outer diameter of the nut is larger than that of the bolt sleeve, the nut is used for limiting the bolt sleeve to float upwards, a clamping block is fixedly connected at the bottom of the installed inserted link, and a rare earth container is detachably installed at the bottom of the installed inserted link through the clamping block;
the rare earth container comprises a container barrel, a seepage hole, a check ring and a bayonet, wherein the seepage hole is formed in the side surface of the container barrel, the check ring is located at the upper end of the inner side wall of the container barrel, the bayonet is arranged on the check ring and is matched with a clamping block, the clamping block can penetrate through the bayonet and rotate, the rare earth container and the connecting mechanism are connected in a detachable and movable mode, and a limiting plate for blocking the rare earth container and the rare earth to float upwards is fixedly connected to the surface of the installation inserting rod.
Preferably, the length of the mounting insert is greater than one half of the height of the galvanization bath.
Preferably, the number of the bayonets and the clamping blocks is three, and the bayonets and the clamping blocks are arc-shaped.
Preferably, the diameter of the limiting plate is larger than that of the container barrel.
Preferably, the galvanized steel wire plating device further comprises steel wire adjusting mechanisms, wherein the steel wire adjusting mechanisms are erected on two sides of the galvanized steel wire plating tank, and the steel wire adjusting mechanisms can press steel wires into the galvanized steel wire plating liquid.
The steel wire adjusting mechanism comprises lifting assemblies at two ends and guide press rollers arranged between the lifting assemblies at two ends, the bottom of the lifting assemblies is arranged at the top of the galvanizing bath, the guide press rollers can be adjusted through the arrangement of the lifting assemblies, and then the steel wire is immersed into the galvanizing liquid through the guide press rollers, so that the galvanizing effect and the galvanizing efficiency are improved.
The beneficial effect, the technical scheme of this application possesses following technical effect:
1. the invention adds the rare earth into the galvanization liquid through the rare earth adding device and prevents the rare earth from floating upwards, so that the surface smoothness of the galvanized steel wire is high, no tumor is accumulated, the device is convenient for timely supplementing the rare earth, the installation inserted bar can be directly moved downwards, the installation inserted bar and the rare earth container can be taken out, the installation inserted bar is rotated to drive the clamping block to rotate, the clamping block can open the rare earth container after passing through the bayonet, the inserted bar is installed after the rare earth is filled, the installation inserted bar is sleeved into the sleeve, and the rare earth metal can be continuously supplemented into the zinc liquid.
2. According to the invention, through the arrangement of the limiting plate, the rare earth container can be prevented from floating upwards, and meanwhile, the inner cavity of the rare earth container can be prevented from floating upwards, so that the rare earth can fully react with the galvanization liquid.
3. According to the invention, the guide press roller can be adjusted through the arrangement of the lifting component, so that the steel wire is immersed into the galvanization liquid through the guide press roller, and the galvanization effect and efficiency are improved.
It should be understood that all combinations of the foregoing concepts, as well as additional concepts described in more detail below, may be considered a part of the inventive subject matter of the present disclosure as long as such concepts are not mutually inconsistent.
The foregoing and other aspects, embodiments, and features of the present teachings will be more fully understood from the following description, taken together with the accompanying drawings. Other additional aspects of the invention, such as features and/or advantages of the exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the embodiments according to the teachings of the invention.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic perspective view of the structure of the present invention.
Fig. 2 is a cross-sectional perspective view of a partial structure of the present invention.
Fig. 3 is a cross-sectional side view of a partial structure of the present invention.
Fig. 4 is an exploded view of the connection mechanism of the present invention.
FIG. 5 is a schematic view of the connection mechanism of the present invention assembled.
In the drawings, the meanings of the reference numerals are as follows: 1. a galvanization pool; 2. a lifting assembly; 3. guiding press rolls; 4. an upper cover plate; 5. a mounting base; 6. a quartz heating tube; 7. a connecting mechanism; 8. a rare earth container; 701. a fixing bolt; 702. a bolt sleeve; 703. a nut; 704. a sleeve; 705. installing a plug rod; 706. a limiting plate; 707. a clamping block; 801. a container barrel; 802. seepage holes; 803. a retainer ring; 804. a bayonet.
Detailed Description
For a better understanding of the technical content of the present invention, specific examples are set forth below, along with the accompanying drawings.
Aspects of the invention are described in this disclosure with reference to the drawings, in which are shown a number of illustrative embodiments. The embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be understood that the various concepts and embodiments described above, as well as those described in more detail below, may be implemented in any of a number of ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the disclosure may be used alone or in any suitable combination with other aspects of the disclosure.
When the steel wire is galvanized, the process is mainly to add 55% of zinc-aluminum alloy/pure zinc into the plating solution, the cost is low, but the steel wire has poor smoothness and surface can generate accumulated lumps, so rare earth is added in the smelting process of the zinc-aluminum alloy, the plating effect is good after 5% of zinc-aluminum alloy containing rare earth is added into the plating solution, the surface is smooth, but the cost is high, the efficiency of galvanizing is required to be improved, the density of the rare earth is lower than that of zinc, the rare earth is directly put into the plating solution, floats on the surface of the plating solution and cannot be uniformly dissolved in the zinc solution, the efficiency and effect of galvanizing are reduced, and a rare earth container used in the zinc plating process is generally nonmetallic, and the used nonmetallic density is lower than that of the zinc solution and can float upwards. An apparatus for wire plating is thus devised and specific method steps for use are disclosed.
Firstly, a steel wire galvanizing device is disclosed, which comprises a steel wire galvanizing rare earth adding device, a steel wire adjusting mechanism and an upper cover plate 4, wherein the steel wire adjusting mechanism is erected at two sides of a galvanizing bath 1, and the steel wire adjusting mechanism can press steel wires into galvanizing liquid.
The steel wire adjusting mechanism comprises lifting assemblies 2 at two ends and guide press rollers 3 arranged between the lifting assemblies 2 at two ends, the bottom of the lifting assemblies 2 is arranged at the top of the galvanized pool 1, the guide press rollers 3 can be adjusted through the arrangement of the lifting assemblies 2, and then the steel wire is immersed into the galvanization liquid through the guide press rollers 3, so that the galvanization effect and efficiency are improved;
the upper cover plate 4 is arranged between the steel wire adjusting mechanisms at two sides of the galvanized pool 1, the longitudinal section of the upper cover plate 4 is of a U-shaped clamping groove structure, and a plurality of quartz heating pipes 6 and connecting mechanisms 7 are sequentially arranged on the clamping groove structure in a staggered mode.
The connecting mechanism 7 comprises a connecting mechanism 7 and a rare earth container 8, the connecting mechanism 7 comprises a fixing bolt 701, a bolt sleeve 702, a nut 703, a sleeve 704 integrally formed with the bolt sleeve 702, a mounting inserted rod 705, a limiting plate 706 and a clamping block 707, the sleeve 704 is matched with the mounting inserted rod 705, the bottom of the mounting inserted rod 705 is fixedly connected with the clamping block 707, the bottom of the mounting inserted rod 705 is detachably connected with the rare earth container 8 through the clamping block 707, the limiting plate 706 is sleeved on the surface of the mounting inserted rod 705, the limiting plate 706 is used for blocking rare earth in the rare earth container 8 and the rare earth container 8 from floating upwards, the setting of the limiting plate 706 can block the rare earth container 8 from floating upwards, and meanwhile, the inner cavity rare earth of the rare earth container 8 can be blocked from floating upwards, so that the rare earth can fully react with galvanization liquid.
The rare earth container 8 comprises a container barrel 801, a seepage hole 802, a retainer ring 803 and a bayonet 804, the seepage hole 802 is formed in the side surface of the container barrel 801, the retainer ring 803 is located at the upper end of the inner side wall of the container barrel 801, the bayonet 804 is arranged on the retainer ring 803 and is matched with a clamping block 707, the clamping block 707 can penetrate through the bayonet 804 and rotate, the rare earth container 8 and the connecting mechanism 7 are movably connected, rare earth is added into galvanization liquid through a rare earth adding device and is prevented from floating upwards, the surface smoothness of the galvanized steel wire is high, no tumor is formed, the device is convenient for timely supplementing rare earth, the installation inserted rod 705 can be directly moved downwards, the installation inserted rod 705 and the rare earth container 8 can be taken out, the installation inserted rod 705 is rotated to drive the clamping block 707 to rotate, the clamping block 707 penetrates through the bayonet 804 to open the rare earth container 8, after the rare earth is filled, the installation inserted rod 705 is sleeved into the sleeve 704, the rare earth metal can be continuously supplemented into the zinc liquid, the galvanized steel wire is simple and reasonable in structural design, and convenient to use, and high practicability is achieved.
Further, in the present embodiment, the outer diameter of the nut 703 is larger than the outer diameter of the bolt housing 702, so that the rare earth element 8 is prevented from being moved upward by the buoyancy to drive the mounting insert 705 and the bolt housing 702.
Further, in the present embodiment, the quartz heating tube 6 is mounted on the upper cover plate 4 through the mounting base 5, and the bottom of the quartz heating tube 6 extends below the middle of the galvanization bath 1.
Further, in this embodiment, the lifting assembly 2 includes a ball screw pair, a handle and a bearing connector, a nut of the ball screw pair is movably connected with the guide pressing roller 3 through the bearing connector, and the handle is fixedly connected with the front end of the ball screw pair.
Further, in this embodiment, the length of the installation plunger 705 is greater than one half the height of the zinc plating bath 1.
Further, in the present embodiment, the number of the bayonets 804 and the fixture blocks 707 is three, and the shapes of the bayonets 804 and the fixture blocks 707 are arc-shaped.
Further, in the present embodiment, the diameter of the stopper 706 is greater than the diameter of the pod 801.
Further, in the present embodiment, a heat insulating material is provided between the upper cover plate 4 and the galvanization bath 1.
A method for galvanizing steel wire includes immersing rare earth in galvanizing bath 1 by rare earth adding unit, preventing rare earth from floating up, controlling the galvanization temp between 450-465 deg.C, detaching rare earth adding unit from galvanizing bath 1, adding rare earth to be reacted to rare earth adding unit, and installing rare earth adding unit to galvanizing bath 1.
The use method of the invention gives the following two examples:
embodiment one:
the application method of the steel wire galvanization device comprises the following steps:
the first step: pre-plating treatment: removing and cleaning a lubricating film or an oxide skin on the surface of the steel wire;
and a second step of: plating assistance treatment, namely enabling the steel wire to enter a plating assistance pool, enabling the surface of the steel wire to be covered with a layer of plating assistance agent, isolating the steel wire from air, and enabling the steel wire not to be oxidized any more;
and a third step of: and (3) galvanization: a layer of covering agent is arranged on the surface of the zinc liquid to prevent oxidation of the zinc liquid, the zinc plating temperature is controlled to be 450 ℃, rare earth is put into a zinc plating pool 1 through a rare earth adding device, the height of a rare earth container 8 from the zinc plating pool 1 is kept to 15 cm when the rare earth is put into the zinc plating pool, 10 kg of the rare earth is put into each time, the rare earth is put into the zinc plating pool again after 5 days, and the rare earth is added by using the rare earth adding device;
fourth step: post-plating treatment: after the steel wire is cooled by air for a period of time, the steel wire enters a winding disc of a winding mechanism for storage after straightening operation.
Embodiment two:
the application method of the steel wire galvanization device comprises the following steps:
the first step: pre-plating treatment: removing and cleaning a lubricating film or an oxide skin on the surface of the steel wire;
and a second step of: plating assistance treatment, namely enabling the steel wire to enter a plating assistance pool, enabling the surface of the steel wire to be covered with a layer of plating assistance agent, isolating the steel wire from air, and enabling the steel wire not to be oxidized any more;
and a third step of: and (3) galvanization: a layer of covering agent is arranged on the surface of the zinc liquid to prevent oxidation of the zinc liquid, the galvanization temperature is controlled to be between 465 ℃, rare earth is put into a galvanization pool 1 through a rare earth adding device, the height of a rare earth container 8 from the galvanization pool 1 is kept 25 cm when the rare earth is put into the galvanization pool, 15 kg of the rare earth is put into each time, the rare earth is put into the galvanization pool again after 5 days, and the rare earth is added by the rare earth adding device;
fourth step: post-plating treatment: after the steel wire is cooled by air for a period of time, the steel wire enters a winding disc of a winding mechanism for storage after straightening operation.
Further, in this embodiment, the pre-plating treatment is a combination of electrolysis and ultrasonic treatment, the lubricating grease on the surface of the steel wire is treated with an alkaline treatment liquid, the phosphating film or oxide skin on the surface of the steel wire is treated with an acidic treatment liquid, the grease and phosphating film or oxide skin on the surface of the steel bar are treated again with an ultrasonic treatment liquid, and then the steel wire is subjected to surface treatment and then enters a hot water tank for cleaning, and the residual treatment liquid on the surface is washed off.
In the above embodiment, the various processing processes before the steel wire plating are generally called pre-plating processing, before the steel wire is to be plated, no matter what process is, the lubricating film or oxide skin on the surface of the steel wire must be removed, some processes are single electrolytic processing, some processes are ultrasonic processing, some processes are crisp, the two processes are best in processing effect, the efficiency is highest, the lubricating grease on the surface of the steel wire is processed by alkaline processing liquid, the phosphating film or oxide skin on the surface of the steel wire is processed by acidic processing liquid, the ultrasonic processing liquid has good processing effect on the grease and the phosphating film or oxide skin, after the surface of the steel wire is processed, the steel wire enters a hot water tank for cleaning, the residual processing liquid on the surface is washed, then enters a plating assisting tank, a layer of plating assisting agent is covered on the surface of the steel wire, the plating assisting agent is isolated from air, the plating agent is not oxidized, finally, zinc is carried out in a zinc tank, and the galvanized steel wire is wound and packed by a wire winding device at the rear end, and the whole galvanizing process is completed.
When the invention is used, the process method of directly adding rare earth (Re, billow series mixed rare earth) into the galvanization liquid can achieve the galvanization effect containing rare earth, the surface smoothness is high, and the cost is lower. The galvanized steel wire is measured through a manual accelerated corrosion test (salt spray test), red rust can only appear in 70 hours, and the time of the galvanized steel wire to appear red rust is 40-50 hours higher than that of the common galvanized steel wire.
The both ends of galvanizing bath 1 are provided with lifting unit 2 and direction compression roller 3, the steel wire gets into galvanizing bath 1 through the direction compression roller 3 of one end, and pass the direction compression roller 3 of the other end, galvanizing bath 1 and the adjacent both sides of direction compression roller 3 are provided with respectively to galvanizing bath 1 middle direction extension's upper cover plate 4, upper cover plate 4 is the channel-section steel, upper cover plate 4 is U type draw-in groove structure, install in proper order on the draw-in groove structure and set up a plurality of fixing bolt 701 and quartz heating pipe 6, quartz heating pipe 6 passes through mount pad 5 and installs on upper cover plate 4, fixing bolt 701 is used for fixed connection mechanism 7 and rare earth container 8, quartz heating pipe 6 is used for heating for the zinc liquid, rare earth adding mechanism is used for evenly adding rare earth metal in the zinc liquid, be provided with thermal-insulated insulating material between upper cover plate 4 and galvanizing bath 1, be used for heat preservation, reduce heat loss.
Specifically, when placing rare earth in the molten zinc, the bottom height of sleeve 704 is greater than the molten zinc liquid level height, and is convenient for change then, and more specifically, the draw-in groove structurally evenly sets up a plurality of fixing bolts 701 and nuts 703, and coupling mechanism 7 contains bolt cover 702, and bolt cover 702 integrated into one piece's sleeve 704, with sleeve 704 looks adaptation's installation inserted bar 705, the detachable rare earth container 8 of installing the bottom of inserted bar 705. The inner diameter of the nut 703 is larger than the outer diameter of the bolt sleeve 702, the nut 703 is used for the bolt sleeve 702, the rare earth container 8 is prevented from being driven by buoyancy to move upwards by the installation inserted rod 705, a seepage hole 802 is formed in the side surface of the container barrel 801, rare earth can be mixed with galvanization liquid through the seepage hole 802, a clamping block 707 and a bayonet 804 are matched for use, the installation inserted rod 705 is convenient to detach from the rare earth container 8, when rare earth needs to be added, the installation inserted rod 705 is directly moved downwards, the installation inserted rod 705 and the rare earth container 8 are taken out from the sleeve 704, the installation inserted rod 705 is rotated to drive the clamping block 707 to rotate, the clamping block 707 and the bayonet 804 are opposite to each other, the rare earth container 8 can be opened by the clamping block 707 penetrating the bayonet 804, after rare earth is filled, the installation inserted rod 705 is sleeved into the sleeve 704, rare earth metal can be continuously supplemented into the zinc liquid, the structure design is simple and reasonable, the use is convenient, and strong practicability is achieved.
The invention adds the rare earth into the galvanization liquid through the rare earth adding device and prevents the rare earth from floating upwards, so that the surface smoothness of the galvanized steel wire is high, no tumor is accumulated, the device is convenient for timely supplementing the rare earth, the installation inserted bar can be directly moved downwards, the installation inserted bar and the rare earth container can be taken out, the installation inserted bar is rotated to drive the clamping block to rotate, the clamping block can open the rare earth container after passing through the bayonet, the inserted bar is installed after the rare earth is filled, the installation inserted bar is sleeved into the sleeve, and the rare earth metal can be continuously supplemented into the zinc liquid.
The power consumption elements in the application are all connected with the mains supply through power lines (not shown in the figure). The circuits and control involved in the present invention are all of the prior art, and are not described in detail herein.
While the invention has been described with reference to preferred embodiments, it is not intended to be limiting. Those skilled in the art will appreciate that various modifications and adaptations can be made without departing from the spirit and scope of the present invention. Accordingly, the scope of the invention is defined by the appended claims.
Claims (9)
1. A method for galvanization of steel wire, characterized in that: immersing rare earth into a galvanizing pool (1) in the galvanization process by a rare earth adding device, wherein the rare earth adding device prevents the rare earth from floating upwards, and the rare earth is exuded from the galvanizing pool by the rare earth adding device in the galvanization process;
the rare earth adding device comprises a rare earth container and a connecting mechanism (7) for installing the rare earth container in a galvanized bath (1), wherein the connecting mechanism (7) is detachably connected with a rare earth container (8), the rare earth container (8) is provided with a seepage hole (802), and the seepage hole (802) is used for diffusing rare earth into zinc liquid;
the rare earth container (8) comprises a container barrel (801), a seepage hole (802), a retainer ring (803) and a bayonet (804), wherein the seepage hole (802) is formed in the side surface of the container barrel (801), the retainer ring (803) is located at the upper end of the inner side wall of the container barrel (801), the bayonet (804) is arranged on the retainer ring (803) and is matched with a clamping block, the clamping block can penetrate the bayonet (804) and rotate, and then the rare earth container (8) and the connecting mechanism (7) are detachably and movably connected.
2. A method of galvanising steel wire according to claim 1, characterized in that: in the galvanization process, the rare earth adding device is positioned in the middle of the zinc liquid.
3. A method of galvanising steel wire according to claim 2, characterized in that: the galvanization temperature is controlled between 450 ℃ and 465 ℃.
4. A method of galvanising steel wire according to any one of claims 1-3, characterized in that: when the rare earth is required to be added, the rare earth adding device is detached from the galvanized pool (1), the rare earth to be reacted is added into the rare earth adding device, and then the rare earth adding device is installed on the galvanized pool (1) so that the rare earth continues to react.
5. A method of galvanising steel wire according to claim 1, characterized in that: one end of the connecting mechanism (7) is fixedly connected with the galvanized pool (1), the connecting mechanism (7) is detachably arranged, and the top of the rare earth container (8) is covered by the bottom of the connecting mechanism (7).
6. A method of galvanising steel wire according to claim 1 or 5, characterized in that: the connecting mechanism (7) comprises an upper cover plate (4) arranged on the galvanized pool (1), a bolt (701) and a nut (703) are fixedly connected to the upper cover plate (4), the outer diameter of the nut (703) is larger than that of a bolt sleeve (702), the bolt sleeve (702) is sleeved with the bolt sleeve (702), a sleeve (704) is integrally formed on the bolt sleeve (702), an installation inserted rod (705) is arranged at the bottom of the sleeve (704), the nut (703) is used for limiting the bolt sleeve (702) to float upwards, a clamping block (707) is fixedly connected to the bottom of the installation inserted rod (705), and a rare earth container (8) is detachably installed at the bottom end of the installation inserted rod (705) through the clamping block (707);
the rare earth container (8) comprises a container barrel (801), a seepage hole (802), a retainer ring (803) and a bayonet (804), the seepage hole (802) is formed in the side surface of the container barrel (801), the retainer ring (803) is located at the upper end of the inner side wall of the container barrel (801), the bayonet (804) is arranged on the retainer ring (803) and is matched with a clamping block (707), the clamping block (707) can penetrate through the bayonet (804) and rotate, the rare earth container (8) and the connecting mechanism (7) are further detachably and movably connected, and a limiting plate (706) for blocking the rare earth container (8) and the rare earth floatation is fixedly connected to the surface of the installation inserted link (705).
7. A method of galvanising a steel wire according to claim 6, characterized in that: the length of the installation inserted link (705) is greater than half the height of the galvanized bath (1).
8. A method of galvanising a steel wire according to claim 6, characterized in that: the number of the bayonets (804) and the clamping blocks (707) is three, and the bayonets (804) and the clamping blocks (707) are arc-shaped.
9. A method of galvanising a steel wire according to claim 6, characterized in that: the diameter of the limiting plate (706) is larger than that of the container barrel (801).
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| CN111519118A (en) * | 2020-04-15 | 2020-08-11 | 马鞍山钢铁股份有限公司 | Ammonium chloride adding device |
| CN113913717B (en) * | 2021-10-15 | 2023-06-30 | 常熟市常力紧固件有限公司 | Full-automatic hot galvanizing device and method for automobile bolts |
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