CN113151784A - Nano composite hot galvanizing device for strip, production process and strip production line - Google Patents
Nano composite hot galvanizing device for strip, production process and strip production line Download PDFInfo
- Publication number
- CN113151784A CN113151784A CN202110536682.8A CN202110536682A CN113151784A CN 113151784 A CN113151784 A CN 113151784A CN 202110536682 A CN202110536682 A CN 202110536682A CN 113151784 A CN113151784 A CN 113151784A
- Authority
- CN
- China
- Prior art keywords
- strip
- vacuum chamber
- nano
- supply channel
- chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005246 galvanizing Methods 0.000 title claims abstract description 72
- 239000002114 nanocomposite Substances 0.000 title claims abstract description 53
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000011248 coating agent Substances 0.000 claims abstract description 57
- 238000000576 coating method Methods 0.000 claims abstract description 57
- 239000002105 nanoparticle Substances 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 30
- 230000008020 evaporation Effects 0.000 claims abstract description 27
- 238000001704 evaporation Methods 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 239000013077 target material Substances 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 67
- 238000005507 spraying Methods 0.000 claims description 54
- 239000012495 reaction gas Substances 0.000 claims description 35
- 230000001105 regulatory effect Effects 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 239000002131 composite material Substances 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 238000007747 plating Methods 0.000 claims description 7
- 150000004706 metal oxides Chemical class 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 229910052755 nonmetal Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 6
- 229910052725 zinc Inorganic materials 0.000 description 6
- 239000011701 zinc Substances 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- 229910052593 corundum Inorganic materials 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 229910001845 yogo sapphire Inorganic materials 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
- C23C14/562—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks for coating elongated substrates
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 discloses a nano composite hot galvanizing device for strip materials, a production process and a production line, wherein the device comprises a vacuum chamber, evaporation heating devices, a jet coating chamber and a steam conveying pipeline, wherein coating materials are arranged in the vacuum chamber, the vacuum chamber is connected with a vacuum pump, the evaporation heating devices are used for heating the coating materials in the vacuum chamber to form target material steam, the evaporation heating devices are arranged in the vacuum chamber, the jet coating chambers are distributed on two sides of the strip materials, each jet coating chamber is provided with a slit used for jetting nano particle evaporation gas to the strip materials, and the steam conveying pipeline is arranged between the vacuum chamber and the jet coating chamber and used for enabling the nano particle evaporation gas in the vacuum chamber to enter the jet coating chamber. According to the invention, the strip subjected to hot galvanizing is continuously treated to form the nano composite hot galvanizing coating, so that the nano composite hot galvanizing coating is not only suitable for products with large size specifications such as strips, but also can improve the performances such as wear resistance, scratch resistance and the like of the strip.
Description
Technical Field
The invention relates to the field of strip preparation, in particular to a continuous nano composite hot galvanizing device for strips, a production process and a strip production line.
Background
It is necessary to perform a corrosion prevention treatment on the surface of the strip material to improve the service life of the product. At present, the surface of a steel plate strip is usually subjected to a continuous hot galvanizing process for continuously passing the strip through a molten zinc pot to form a zinc or zinc alloy coating, but hot galvanized products prepared by the method are low in coating hardness and easy to scratch the surface in the processes of transportation, processing and use, so that the protective performance and the surface appearance quality of the coating are reduced.
The nano composite coating is formed by dispersing and compounding nano particles into the coating, and the hardness of the coating can be effectively improved through the strengthening effect of the nano particles. However, due to the agglomeration effect of the nanoparticles, an ideal method for effectively dispersing the nanoparticles, particularly a method for effectively dispersing large-batch nanoparticles, does not exist at present, so that the prepared nano composite plating layer product is only limited to small size and small batch size.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a continuous nanocomposite zinc plating apparatus, a production process and a strip production line for strip material, which can form a nanocomposite coating on a strip material with a large size, such as strip material, and improve the surface properties of the strip material, such as wear resistance and scratch resistance.
In order to achieve the above objects and other related objects, the technical solution of the present invention is as follows:
a continuous nanocomposite hot dip galvanizing apparatus for strip material, comprising:
the vacuum chamber is internally provided with a plating material and is connected with a vacuum pump;
the evaporation heating device is used for heating the coating materials in the vacuum chamber to form target material steam cake, and the evaporation heating device is arranged in the vacuum chamber;
the spraying coating chambers are distributed on two sides of the strip material, and each spraying coating chamber is provided with a slit for spraying evaporation gas of nano particles to the strip material;
and the steam conveying pipeline is arranged between the vacuum chamber and the jet coating chamber and is used for allowing the nano-particle evaporation gas in the vacuum chamber to enter the jet coating chamber.
Optionally, the continuous nano-composite hot dip galvanizing device further includes a condensed gas supply channel and a reaction gas supply channel, the condensed gas supply channel is configured to supply an inert condensed gas to the spray coating chamber, and the reaction gas supply channel is configured to supply a reaction gas to the spray coating chamber;
the condensed gas supply channel and the reaction gas supply channel are directly connected with the steam conveying pipeline, so that the inert condensed gas provided by the condensed gas supply channel or the reaction gas provided by the reaction gas supply channel reacts with the target steam generated in the vacuum chamber to generate nano-particle steam, and the nano-particle steam is conveyed into the spray coating chamber along with the steam conveying pipeline; or the condensed gas supply channel or the reaction gas supply channel is connected with the vacuum chamber, so that inert condensed gas or reaction gas firstly enters the vacuum chamber to react with target steam generated in the vacuum chamber to generate nano-particle steam and then enters the spray coating chamber.
Optionally, a condensed gas regulating valve is arranged on the condensed gas supply channel, and a reaction gas regulating valve is arranged on the reaction gas supply channel.
Optionally, a flow regulating valve for regulating the nanoparticle evaporation gas is arranged on the steam delivery pipeline.
Optionally, the length direction of the slit is consistent with the width direction of the strip, and the slit width of the slit is adjustable;
wherein, the spraying is scribbled and is plated the room and have and be used for forming the swash plate and the lower swash plate of slit, just form the water conservancy diversion contained angle between swash plate and the lower swash plate, spraying is scribbled and is plated indoor being provided with and is used for adjusting the first structure of adjusting of the inclination of swash plate and being used for adjusting the structure is adjusted to the second of the inclination of lower swash plate, makes the seam width of slit is adjustable.
Optionally, the strip steel spraying device further comprises a movable plate, two spraying coating chambers are arranged on two sides of the strip steel, the movable plate is correspondingly arranged at two ends of each spraying coating chamber, the movable plate is perpendicular to the strip steel, the movable plates are distributed on two sides of the strip steel in the width direction, and the movable plates are adjustable to adapt to strip steel with different width specifications; wherein, the adjusting direction of the moving plate is consistent with the width direction of the strip. Optionally, the plating material includes, but is not limited to, metals, metal oxides, non-metal oxides
The invention also provides a strip production line, which comprises a hot galvanizing device, an air knife and a cooling air box which are arranged in sequence, and the production line also comprises any one of the continuous nano composite hot galvanizing device, wherein the continuous nano composite hot galvanizing device is additionally arranged between the air knife and the cooling sealing box.
Correspondingly, the invention also provides a continuous nano composite hot galvanizing production process of the strip, which comprises the steps of sequentially carrying out hot galvanizing, galvanizing layer thickness control treatment and cooling treatment on the strip, and after the galvanizing layer thickness control treatment is carried out on the strip, and before the cooling treatment, the strip is processed by any one of the continuous nano composite hot galvanizing device, so that a nano particle composite hot galvanizing coating is formed on the surface of the strip.
Optionally, the feeding speed of the strip is in the range of 100-140m/min, and in the process of processing by using the continuous nano composite hot galvanizing device:
maintaining a vacuum level in the vacuum chamber of greater than or equal to 0.1 Kpa;
adjusting the gas pressure of the feed gas in the condensing gas feed passage and maintaining the gas pressure of the feed gas in the range of 0.15 to 0.25 Kpa;
the air pressure in the spray coating chamber is adjusted and maintained within the range of 2.5-3.5 Kpa.
According to the invention, the nanometer composite hot galvanizing device for the strip can continuously process the hot galvanizing strip after hot galvanizing to form the nanometer composite hot galvanizing coating, so that the nanometer composite hot galvanizing coating is not only suitable for the strip products with large size, but also can improve the performances of the strip such as wear resistance, scratch resistance and the like.
Drawings
FIG. 1 is a schematic view of an exemplary continuous nanocomposite hot dip galvanizing apparatus according to the present invention;
FIG. 2 is another exemplary schematic view of a continuous nanocomposite hot dip galvanizing apparatus of the present invention;
FIG. 3 is a diagram of the position of the spray coating chamber in relation to the strip;
FIG. 4 is a view of the spray coating chamber in relation to the strip in the top view of FIG. 3;
FIG. 5 is a schematic diagram of an exemplary configuration of a manufacturing line of the present invention;
description of reference numerals:
a steel strip A;
a vacuum chamber 1, an evaporation heating device 2, a reaction gas supply channel 3, a condensed gas regulating valve 31, a condensed gas supply channel 4, a reaction gas regulating valve 41, a vacuum pump 5, a flow regulating valve 6, a steam conveying pipeline 7, a spray coating chamber 8, a crack 801, a vertical plate 81, an upper inclined plate 82, a lower inclined plate 83 and an adjusting plate 9;
a continuous nano composite hot galvanizing device 100, an air knife 200 and a cooling bellows 300.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
For convenience of understanding, the continuous nano-composite hot dip galvanizing apparatus according to each of the following embodiments is applied to a nano-composite hot dip galvanizing line, the line further includes an existing hot dip galvanizing apparatus (not shown) for forming a hot dip galvanized coating on the surface of the strip a, and any one of the continuous nano-composite hot dip galvanizing apparatuses according to each of the following embodiments is added after the hot dip galvanizing apparatus, so that the nano-composite hot dip galvanized coating is formed on the surface of the strip on which the hot dip galvanized coating is formed, thereby improving the performance of the strip. The hot dip galvanizing apparatus is generally a molten zinc pot.
In some embodiments, referring to fig. 1 to 4, the continuous nano composite hot dip galvanizing apparatus includes a vacuum chamber 1, an evaporation heating apparatus 2, a spray coating chamber 8 and a steam conveying pipeline 7, wherein a coating material is disposed in the vacuum chamber 1, the vacuum chamber 1 is connected with a vacuum pump 5, the evaporation heating apparatus 2 is used for heating the coating material in the vacuum chamber 1 to form a target material steam, the evaporation heating apparatus 2 is disposed in the vacuum chamber 1, the spray coating chambers 8 are distributed on two sides of a strip material a, and each spray coating chamber 8 is provided with a slit 801 for spraying a nanoparticle evaporation gas to the strip material; the steam conveying pipeline 7 is arranged between the vacuum chamber 1 and the spraying coating chamber 8, and is used for allowing the nano-particle evaporation gas in the vacuum chamber 1 to enter the spraying coating chamber 8. Here, the hot dip galvanized strip entering the spray coating chamber 8 is a hot dip galvanized strip which has been treated by a hot dip galvanizing apparatus and a hot dip galvanized coating is formed on the surface, and the evaporation heating apparatus 2 may be, but is not limited to, an electron beam heating apparatus.
During production, the coating material in the vacuum chamber 1 forms target material steam under the action of the evaporation heating device 2, and forms nano-particle evaporation gas under the action of reaction gas and condensation gas provided by the reaction gas supply channel 3 or the condensation gas supply channel 4, and continuously enters the jet coating chamber 8 through the steam conveying pipeline 7, and nano-vapor particles are ejected from a slit of the jet coating chamber 8 and are ejected on the surface of the strip A subjected to hot galvanizing treatment to form a nano-composite hot galvanizing coating. In fig. 1, the arrow indicates the feeding direction of the strip, that is, the length direction of the slit is consistent with the width direction of the strip, but the positional relationship between the vacuum chamber 1 and the strip and the spray coating chamber 8 in fig. 1 is not real, and in the actual implementation process, the vacuum chamber 1 and the spray coating chamber 8 are connected through the vacuum conveying pipeline 7. The continuous nano composite hot galvanizing device is not only suitable for products with large size and specification such as strips, but also can improve the performances such as wear resistance, scratch resistance and the like of the strips by the formed nano composite hot galvanizing coating.
In the actual implementation process, the continuous nano composite hot galvanizing device can be used independently, but after the continuous nano composite hot galvanizing device is additionally arranged on the hot galvanizing device in the existing production line, the performance of the strip can be improved, the strip does not need to be transferred, the production cost can be reduced, and the production efficiency can be improved.
In the existing strip production line, an air knife for controlling the thickness of a zinc coating and a cooling air box for cooling the zinc coating of the strip are usually arranged, and a hot galvanizing device, the air knife and the cooling air box are arranged in sequence, in some embodiments, referring to fig. 5, the continuous nano composite hot galvanizing device 100 is additionally arranged between the air knife 200 and the cooling air box 300, so that after the hot galvanizing coating is formed, the air knife 200 controls the thickness specification of the coating on the surface of the strip steel, and the air cooling is carried out after the spray coating, which is favorable for the rapid solidification of the coating, and the mode of directly additionally arranging the continuous nano composite hot galvanizing device on the existing air knife 200 and the cooling air box 300 is more favorable for improving the performance of the strip.
In some embodiments, the plating material is α -Al2O3, referring to fig. 1 and 2, the continuous nano composite hot galvanizing apparatus further comprises a reaction gas supply channel 3, and the reaction gas supplied from the reaction gas supply channel 3 reacts with the target material vapor generated by the vacuum chamber to form nano α -Al2O3 particle vapor; in fig. 2, the reaction gas supply channel 3 is directly connected to the vapor delivery pipe 7, so that the reaction gas supplied from the reaction gas supply channel 3 flows along the vapor delivery pipe 7 and reacts with the target vapor generated in the vacuum chamber to form nano α -Al2O3 particle vapor, and then the nano α -Al2O3 particle vapor is delivered into the spray coating chamber 8. In practical implementation, referring to fig. 1, the reaction gas supply channel 3 may also be connected to the vacuum chamber 1, so that the reaction gas first enters the vacuum chamber 1 to form the evaporation gas of the nano α -Al2O3 particles, and then enters the spray coating chamber 8. In the practical implementation process, the reaction gas can adopt metal, metal oxide and non-metal oxide according to the requirements of producing different types of nano particles, for example, O can be selected2Or CH4Or NH3And the like.
In some embodiments, referring to fig. 1 and 2, the continuous nanocomposite hot dip galvanizing device further comprises a condensed gas supply channel 4, and the reaction gas supplied by the condensed gas supply channel 4 is generated by a vacuum chamberCondensing the target material vapor to form nano-particle vapor; in fig. 2, the condensed gas supply channel 4 is directly connected to the vapor delivery line 7, so that the inert condensed gas supplied from the inert condensed gas supply channel 4 is fed into the spray coating chamber 8 along the vapor delivery line 7 and reacts with the target vapor generated in the vacuum chamber to form nanoparticle vapor therein. In practical implementation, referring to fig. 1, the condensed gas supply channel 4 may also be connected to the vacuum chamber 1, so that the inert condensed gas first enters the vacuum chamber 1 to form the nanoparticle evaporation gas, and then enters the spray coating chamber 8. In practical implementation, Ar, He and N can be used as the inert condensing gas2And the like.
In some embodiments, referring to fig. 1 and 2, the condensation gas supply channel 4 is provided with a condensation gas regulating valve 31, and the reaction gas supply channel 3 is provided with a reaction gas regulating valve 41. In the actual production process, the condensing gas regulating valve 31 can be regulated according to the injection pressure requirement of the inert condensing gas, so that the injection pressure of the inert condensing gas reaches the target pressure.
In some embodiments, referring to fig. 1 and 2, the vapor delivery pipe 7 is provided with a flow regulating valve 6 for regulating the evaporation gas of the nanoparticles, and in practical implementation, the flow regulating valve 6 can be regulated according to the width specification of the strip and other factors, so as to control the gas pressure in the spray coating chamber 8.
In some embodiments, referring to fig. 1 to 4 in combination, the length direction of the slit 801 is consistent with the width direction of the strip, and the slit width of the slit is adjustable, so that the width of the slit can be adjusted according to requirements during spraying, the spraying flow rate is changed, and parameters such as the nano-composite amount of the finally formed nano-composite hot-dip galvanized coating are controlled.
Specifically, referring to fig. 4, the spray coating chamber 8 has an upper inclined plate 82 and a lower inclined plate 83 for forming the slit, and a flow guiding included angle is formed between the upper inclined plate 82 and the lower inclined plate 83, and a first adjusting structure (not shown) for adjusting an inclination angle of the upper inclined plate and a second adjusting structure (not shown) for adjusting an inclination angle of the lower inclined plate are provided in the spray coating chamber, so that the slit width of the slit 801 is adjustable. Actually, the change of the inclination angles of the upper inclined plate and the lower inclined plate not only can change the width of the slit, but also can change the spraying angle, and is more favorable for accurately controlling the quality of the finally formed nano composite hot-dip galvanized coating.
For example, referring to fig. 3 and 4 in combination, the spray coating chamber may be set to be triangular prism-shaped, the spray coating chamber is surrounded by a vertical plate 81, an upper inclined plate 82 and a lower inclined plate 83, the steam delivery pipeline 7 is connected with the vertical plate 81, the upper inclined plate 82 and the lower inclined plate 83 are respectively hinged to the upper end and the lower end of the vertical plate 81, a first hydraulic cylinder (not shown) is arranged between the vertical plate and the upper inclined plate, two ends of the first hydraulic cylinder are respectively hinged to the vertical plate and the upper inclined plate, a second hydraulic cylinder (not shown) is arranged between the vertical plate and the lower inclined plate, and two ends of the second hydraulic cylinder are respectively hinged to the vertical plate and the lower inclined plate, so that the first hydraulic cylinder and the second hydraulic cylinder are respectively controlled to extend and contract to adjust the inclination angles of the upper inclined plate and the lower inclined plate.
In some embodiments, referring to fig. 3, two spray coating chambers are arranged on two sides of the strip, two ends of each spray coating chamber are correspondingly provided with a moving plate 9 perpendicular to the feeding direction of the strip, the moving plates 9 are perpendicular to the strip, and the moving plates 9 are distributed on two sides of the width direction of the strip and are adjustable to adapt to strip steels with different width specifications; wherein, the adjusting direction of the moving plate is consistent with the width direction of the strip.
At this time, the position of the moving plate along the width direction of the strip can be adjusted, so that the whole space is adapted to the width of the strip, and the moving plate can be suitable for strips with different width specifications.
Correspondingly, the invention also provides a continuous nano composite hot galvanizing production process of the strip, which comprises the steps of carrying out hot galvanizing, coating nano composite treatment and cooling treatment on the strip in sequence, carrying out surface hot galvanizing on the strip, and carrying out cooling treatment on the strip by any one of the continuous nano composite hot galvanizing devices to form a nano particle composite hot galvanizing coating on the surface of the strip.
In some embodiments, the feeding speed of the strip is in the range of 100-140m/min, and during the processing by the continuous nano-composite hot galvanizing device:
maintaining a vacuum degree in the vacuum chamber 1 of 0.1Kpa or more;
adjusting the gas pressure of the feed gas in the condensed gas supply passage 4 and maintaining the gas pressure of the feed gas in the range of 0.15 to 0.25 Kpa;
adjusting the air pressure of the spray coating chamber 8 and keeping the air pressure in the spray coating chamber 8 within the range of 2.5-3.5 Kpa;
the volume of the nano particles in the composite coating formed on the surface of the strip is 5-60%, the surface quality of the strip is good, and the surface hardness is greatly improved.
For example, in one embodiment, the feeding speed of the strip is 120m/min, the vacuum degree in the vacuum chamber 1 is maintained at 0.1Kpa, the inert condensing gas Ar is fed into the vacuum chamber 1 through the condensing gas supply channel 4 at a feeding pressure of 0.2Kpa, the inert condensing gas reacts with the target steam to form nano-particle steam, and then the nano-particle steam enters the spray coating chamber 8, the air pressure in the spray coating chamber 8 is maintained at 3Kpa, finally, the volume ratio of the formed nano-particles in the composite coating layer is in the range of 5-60%, the surface hardness of the conventional hot dip galvanized strip is only 55Hv, and at this time, the surface hardness of the strip with the nano-particle composite coating layer can reach 203 Hv.
Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A continuous nano composite hot galvanizing device for a strip is characterized by comprising:
the vacuum chamber is internally provided with a plating material and is connected with a vacuum pump;
the evaporation heating device is used for heating the coating materials in the vacuum chamber to form target material steam, and the evaporation heating device is arranged in the vacuum chamber;
the spraying coating chambers are distributed on two sides of the strip material, and each spraying coating chamber is provided with a slit for spraying evaporation gas of nano particles to the strip material;
and the steam conveying pipeline is arranged between the vacuum chamber and the jet coating chamber and is used for allowing the nano-particle evaporation gas in the vacuum chamber to enter the jet coating chamber.
2. The continuous nanocomposite hot dip galvanizing apparatus for strip according to claim 1, further comprising:
a condensed gas supply channel for supplying an inert condensed gas to the vapor delivery line or the vacuum chamber, and a reaction gas supply channel for supplying a reaction gas to the vapor delivery line or the vacuum chamber;
the condensed gas supply channel and the reaction gas supply channel are directly connected with the steam conveying pipeline, so that the inert condensed gas provided by the condensed gas supply channel or the reaction gas provided by the reaction gas supply channel reacts with the target steam generated in the vacuum chamber to generate nano-particle steam, and the nano-particle steam is conveyed into the spray coating chamber along with the steam conveying pipeline; or the condensed gas supply channel or the reaction gas supply channel is connected with the vacuum chamber, so that inert condensed gas or reaction gas firstly enters the vacuum chamber to react with target material steam generated in the vacuum chamber to generate nano-particle steam and then enters the spray coating chamber.
3. The continuous nanocomposite hot dip galvanizing apparatus for strip according to claim 2, characterized in that: and a condensed gas regulating valve is arranged on the condensed gas supply channel, and a reaction gas regulating valve is arranged on the reaction gas supply channel.
4. The continuous nanocomposite hot dip galvanizing apparatus for strip according to claim 1, characterized in that: and a flow regulating valve for regulating the nano-particle evaporation gas is arranged on the steam conveying pipeline.
5. The continuous nanocomposite hot dip galvanizing apparatus for strip according to claim 1, characterized in that: the length direction of the slit is consistent with the width direction of the strip, and the slit width of the slit is adjustable;
wherein, the spraying is scribbled and is plated the room and have and be used for forming the swash plate and the lower swash plate of slit, just form the water conservancy diversion contained angle between swash plate and the lower swash plate, spraying is scribbled and is plated indoor being provided with and is used for adjusting the first structure of adjusting of the inclination of swash plate and being used for adjusting the second of the inclination of lower swash plate is adjusted the structure.
6. The continuous nanocomposite hot dip galvanizing apparatus for strip according to claim 5, characterized in that: two spraying coating chambers are arranged on two sides of the strip, two ends of each spraying coating chamber are correspondingly provided with a movable plate for adapting to the width of the strip steel, the movable plates are perpendicular to the strip steel, the movable plates are distributed on two sides of the strip steel in the width direction, and the movable plates are adjustable; wherein, the adjusting direction of the moving plate is consistent with the width direction of the strip.
7. The apparatus for nano-composite galvanizing of strip according to claim 1, characterized in that: the plating material comprises one or more of metal, metal oxide and non-metal oxide.
8. The utility model provides a strip production line, is including hot dip galvanizing device, air knife and the cooling bellows that set gradually, its characterized in that: the continuous nano-composite hot galvanizing device of any one of claims 1 to 7, which is additionally arranged between the air knife and the cooling seal box.
9. A continuous nanometer composite hot galvanizing production process of a strip comprises the steps of sequentially carrying out hot galvanizing, galvanizing layer thickness control treatment and cooling treatment on the strip, and is characterized in that: after the strip material is subjected to the galvanizing layer thickness control treatment and before the cooling treatment, the strip material is subjected to the continuous nano composite hot galvanizing device according to any one of claims 1 to 7, and a nano composite hot galvanizing coating is formed on the surface of the strip material.
10. The continuous nano-composite hot galvanizing production process according to claim 9, characterized in that: the feeding speed range of the strip is 100-140m/min, and in the process of processing by using the continuous nano composite hot galvanizing device:
maintaining a vacuum level in the vacuum chamber of greater than or equal to 0.1 Kpa;
adjusting the gas pressure of the feed gas in the condensing gas feed passage and maintaining the gas pressure of the feed gas in the range of 0.15 to 0.25 Kpa;
the air pressure in the spray coating chamber is adjusted and maintained within the range of 2.5-3.5 Kpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110536682.8A CN113151784A (en) | 2021-05-17 | 2021-05-17 | Nano composite hot galvanizing device for strip, production process and strip production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110536682.8A CN113151784A (en) | 2021-05-17 | 2021-05-17 | Nano composite hot galvanizing device for strip, production process and strip production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113151784A true CN113151784A (en) | 2021-07-23 |
Family
ID=76876401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110536682.8A Pending CN113151784A (en) | 2021-05-17 | 2021-05-17 | Nano composite hot galvanizing device for strip, production process and strip production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113151784A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023072184A1 (en) * | 2021-10-27 | 2023-05-04 | 宝山钢铁股份有限公司 | Production method and production line for galvanized plate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09263922A (en) * | 1996-03-29 | 1997-10-07 | Nisshin Steel Co Ltd | Manufacture of minimum spangle galvanized steel sheet and manufacturing equipment therefor |
| JP2003231963A (en) * | 2002-02-12 | 2003-08-19 | Sanyo Shinku Kogyo Kk | Process and device for vacuum deposition |
| US20110000431A1 (en) * | 2007-10-12 | 2011-01-06 | Arcelormittal France | Industrial vapour generator for the deposition of an alloy coating onto a metal strip |
| JP2014167148A (en) * | 2013-02-28 | 2014-09-11 | Nippon Steel & Sumitomo Metal | Gas-wiping nozzle, and gas-wiping method |
| CN215050636U (en) * | 2021-05-17 | 2021-12-07 | 中冶赛迪工程技术股份有限公司 | Continuous nano composite hot galvanizing device for strip and strip production line |
-
2021
- 2021-05-17 CN CN202110536682.8A patent/CN113151784A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09263922A (en) * | 1996-03-29 | 1997-10-07 | Nisshin Steel Co Ltd | Manufacture of minimum spangle galvanized steel sheet and manufacturing equipment therefor |
| JP2003231963A (en) * | 2002-02-12 | 2003-08-19 | Sanyo Shinku Kogyo Kk | Process and device for vacuum deposition |
| US20110000431A1 (en) * | 2007-10-12 | 2011-01-06 | Arcelormittal France | Industrial vapour generator for the deposition of an alloy coating onto a metal strip |
| JP2014167148A (en) * | 2013-02-28 | 2014-09-11 | Nippon Steel & Sumitomo Metal | Gas-wiping nozzle, and gas-wiping method |
| CN215050636U (en) * | 2021-05-17 | 2021-12-07 | 中冶赛迪工程技术股份有限公司 | Continuous nano composite hot galvanizing device for strip and strip production line |
Non-Patent Citations (1)
| Title |
|---|
| 王快社等, 冶金工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023072184A1 (en) * | 2021-10-27 | 2023-05-04 | 宝山钢铁股份有限公司 | Production method and production line for galvanized plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11193181B2 (en) | Method and apparatus for continuous thermal treatment of a steel strip | |
| CN103422088B (en) | A kind of cold spray apparatus and method preparing 316L stainless steel coating | |
| US9598754B2 (en) | Method for continuous hot-dip coating of metal strips | |
| US20120204429A1 (en) | Method of Forming a Lubricating Coating on a Razor Blade, Such a Razor Blade and Razor Blade Coating System | |
| KR101543895B1 (en) | Method for forming functional coating layer on zinc galvanized steel sheet by cold spraying and zinc galvanized steel sheet having functional coating layer | |
| CN215050636U (en) | Continuous nano composite hot galvanizing device for strip and strip production line | |
| TW201720940A (en) | Iron-based alloy coating and method for manufacturing the same | |
| CN110560842B (en) | Nitrogen fixation device and method in welding based on paraxial wire feeding | |
| CN113151784A (en) | Nano composite hot galvanizing device for strip, production process and strip production line | |
| EP3006590A1 (en) | Thermal spray for durable and lage-area hydrophobic and superhydrophobic/icephobic coatings | |
| KR20130051289A (en) | Cold spray coating method and coating layer manufactured by the same method | |
| CN110423971A (en) | A kind of welding performance and the hot-dip galvanized steel sheet of excellent corrosion-proof performance and preparation method thereof | |
| CN109642304B (en) | Method for cooling high-temperature metal and method for producing hot-dip galvanized steel strip | |
| CN111962001A (en) | Production and surface quality control method of cold-rolled thick-zinc-layer hot-dip pure-zinc steel strip | |
| CN201245705Y (en) | Special equipment for laser cladding | |
| US20220325401A1 (en) | Vacuum Coating Device | |
| JP5848617B2 (en) | Amorphous plate and manufacturing method thereof | |
| EP2803752B1 (en) | Device for forming amorphous film and method for forming same | |
| CN102400141A (en) | Manufacturing method of alloyed galvanized steel sheet and alloyed galvanized steel sheet thereof | |
| JPS61204363A (en) | Production of metal hot dipped steel plate having excellent appearance | |
| WO2023072184A1 (en) | Production method and production line for galvanized plate | |
| JPH02104649A (en) | Method for supplying component into plating bath | |
| CN110318016A (en) | A kind of amorphous strengthens tungsten carbide coating and preparation method thereof | |
| JPS5858263A (en) | Production of alloyed zinc hot dipped steel plate | |
| EP4012067B1 (en) | Vacuum coating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210723 |