CN111015131B - Preparation process of tinplate can cover - Google Patents
Preparation process of tinplate can cover Download PDFInfo
- Publication number
- CN111015131B CN111015131B CN201911406700.XA CN201911406700A CN111015131B CN 111015131 B CN111015131 B CN 111015131B CN 201911406700 A CN201911406700 A CN 201911406700A CN 111015131 B CN111015131 B CN 111015131B
- Authority
- CN
- China
- Prior art keywords
- cover
- iron
- temperature
- sample
- washing
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Coating With Molten Metal (AREA)
Abstract
The invention discloses a preparation process of a tinplate can cover, which comprises the steps of material selection, cutting, primary grinding, welding, cooling, secondary grinding, deoiling, primary washing, acid washing, secondary washing, drying and preheating, dip plating, diffusion annealing and detection; the process can greatly improve the forming quality of the tinplate can cover by secondary grinding and secondary washing, and further improve the forming quality of the tinplate can cover by deoiling and pickling treatment; aluminizing the tinplate tank cover to form FeAI with a certain thickness between the outer wall of the tinplate tank cover and the aluminum coating3With Fe2AI5The alloy compound layer enables metallurgical bonding between the tinplate tank cover and the aluminum coating, has strong bonding force, and is not easy to fall off the coating2O3Further improving the corrosion resistance of the tinplate can cover.
Description
Technical Field
The invention relates to the technical field of tinplate can covers, in particular to a novel preparation process of a tinplate can cover.
Background
Tinplate, also known as tin-plated iron, is a common name for tin-electroplated steel sheets, and is abbreviated as SPTE in English, and refers to a cold-rolled low-carbon steel sheet or strip with commercial pure tin plated on both sides. Tin mainly serves to prevent corrosion and rusting. It combines the strength and formability of steel with the corrosion resistance, soldering property and beautiful appearance of tin into one material, and has the characteristics of corrosion resistance, no toxicity, high strength and good ductility.
The barrier properties of the packaging container to air and other volatile gases are very important for preserving the nutritional ingredients and the organoleptic qualities. Comparing various fruit juice packaging containers, the oxygen transmission rate of the container directly influences the browning of fruit juice and the preservation of vitamin C; the vitamin C can be preserved well by metal can cover with low oxygen transmission rate, glass bottle, aluminum foil adhesive layer and paper box, wherein the iron can cover is the best.
At present, the tinplate can cover is widely applied, but the traditional tinplate can cover is unreasonable in preparation process, poor in forming quality and corrosion resistance and cannot be used for a long time.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a preparation process of a novel tinplate can cover.
In order to achieve the purpose, the invention adopts the following technical scheme:
a preparation process of a novel tinplate can cover specifically comprises the following steps:
s1, selecting materials: selecting an iron sheet with proper thickness;
s2, cutting: cutting the iron sheet;
s3, grinding for the first time: polishing the cut iron sheet, and performing key polishing on the cut to facilitate subsequent welding;
s4, welding: welding the polished iron sheet into an iron tank cover;
s5, cooling: cooling the welded iron can cover;
s6, secondary grinding: polishing the cooled iron can cover again;
s7, deoiling: dipping the cooled iron tank cover in a calcium hydroxide solution to remove oil stains;
s8, primary washing: washing the iron can cover with clear water, and washing the calcium hydroxide solution on the outer wall of the iron can cover;
s9, acid washing: pickling in acetic acid solution, wherein the main purpose of pickling is to remove oxide scales, oxide films and alkali solution remained on the surface of the iron can cover substrate, and after pickling, cleaning redundant acid solution on the surface of the stirrup for multiple times by using purified water until the pure surface of the iron can cover is exposed;
s10, secondary washing: washing the iron can cover with clear water, and washing the acetic acid solution adhered on the outer wall of the iron can cover;
s11, drying and preheating: placing the iron pot cover in a drying chamber for drying;
s12, immersion plating and diffusion annealing: placing the prepared aluminum alloy plating solution into a graphite crucible, melting the aluminum alloy plating solution to a set temperature, binding a preheated iron wire with an iron pot cover, suspending and immersing the iron wire in the aluminum alloy plating solution for immersion plating, and quickly taking out a sample for air cooling after immersion plating; placing the cooled 3-iron can cover into a JK-SX2-12-10N type box type resistance furnace for diffusion annealing treatment, wherein the diffusion annealing treatment is carried out at intervals of 20 ℃, and the diffusion time is 4 h;
s13, detection: after hot dip aluminizing and diffusion annealing are carried out on the surface of the iron can cover, a metallographic sample is prepared along the cross section of the sample, a JSM-6490LV type scanning electron microscope SEM) is adopted to carry out tissue morphology observation on a sample plating layer and a diffusion layer, an energy spectrometer (EDS) and an RIGAKUD/max-RaX-ray type diffractometer (XRD) carried by the SEM are adopted to analyze plating layer elements and phase structures, 12kW. CuKa radiation is carried out, and the wavelength is 1.5405 nm; placing an original sample of the iron tank cover and the iron tank cover subjected to hot dip aluminizing and diffusion annealing treatment in a manufactured screen, performing scouring corrosion on the sample by using a scouring pump at room temperature and using a NaCl aqueous solution with the concentration of 3.5%, taking out the sample and drying the sample after 24h, weighing the sample by using an electronic analysis balance respectively, and recording;
preferably, in S3 and S6, 300#, 700#, and 900# sandpaper are used for polishing respectively.
Preferably, in S7, the cooled iron can lid is placed in a calcium hydroxide solution, the temperature is controlled between 60-70 ℃, the degreasing and calcium hydroxide solution concentration is 25g/L, and the reaction time is 30-40 minutes.
Preferably, in S8 and S10, the inner and outer walls of the iron cover are repeatedly washed at least three times with clean water on the inner and outer surfaces of the iron cover.
Preferably, in S9, the temperature of the acetic acid solution is controlled to be 65-75 ℃, the concentration of the acetic acid solution is 15g/L, and the reaction time is 5 minutes.
Preferably, in S11, the temperature in the drying chamber is slowly increased at a rate of 4-6 degrees celsius/minute until reaching 150-180 degrees celsius, and the drying is performed for 40 minutes, the drying process is as gentle as possible, and the drying curve is reasonably optimized.
Preferably, in 12, the graphite crucible is a SG2-5-10 well type crucible resistance furnace, the rated power is 5kW, the rated temperature is 1000 ℃, and the temperature control equipment is an XTM101 digital display regulator.
Preferably, in S12, according to the theory related to the movement of atoms and molecules in the solid, the higher the temperature during immersion plating, the higher the diffusion coefficient, and the thicker the diffusion layer formed, and according to experiments, when the immersion plating temperature is in the region of 700-; but when the dip plating temperature is 720-760 ℃, the plating quality is good, and no holes and cracks appear; when the temperature is more than 780 ℃, fine holes and cracks are generated on the inner layer coating, and the structure is deteriorated; therefore, the immersion plating temperature is 720-760 ℃.
Preferably, in S12, Al-3.0% Si-0.5% RE hot dip aluminum alloy plating solution is prepared by using 99.7% of industrial pure aluminum, 99.9% of crystalline silicon and A1-1O% of RE master alloy, wherein the mass fraction of Si is 3.0%, the mass fraction of RE is 0.5%, and the balance is AI.
Compared with the prior art, the preparation process of the novel tinplate tank cover provided by the invention comprises the following steps:
1. according to the process, the tinplate tank cover with excellent performance can be prepared through material selection, cutting, primary polishing, welding, cooling, secondary polishing, deoiling, primary washing, pickling, secondary washing, drying and preheating, dip plating, diffusion annealing and detection, the forming quality of the tinplate tank cover is improved, the tinplate tank cover is aluminized, and the corrosion resistance of the tinplate tank cover is greatly improved;
2. the forming quality of the tinplate can cover is greatly improved through secondary grinding and secondary washing, and the forming quality of the tinplate can cover is further improved through deoiling and pickling treatment;
3. aluminizing the tinplate tank cover to form FeAI with a certain thickness between the outer wall of the tinplate tank cover and the aluminum coating3With Fe2AI5The alloy compound layer enables metallurgical bonding between the tinplate tank cover and the aluminum coating, has strong bonding force, and is not easy to fall off the coating2O3Further improving the corrosion resistance of the tinplate can cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A preparation process of a novel tinplate can cover specifically comprises the following steps:
s1, selecting materials: selecting an iron sheet with proper thickness;
s2, cutting: cutting the iron sheet;
s3, grinding for the first time: polishing the cut iron sheet, and performing key polishing on the cut to facilitate subsequent welding;
s4, welding: welding the polished iron sheet into an iron tank cover;
s5, cooling: cooling the welded iron can cover;
s6, secondary grinding: polishing the cooled iron can cover again;
s7, deoiling: dipping the cooled iron tank cover in a calcium hydroxide solution to remove oil stains;
s8, primary washing: washing the iron can cover with clear water, and washing the calcium hydroxide solution on the outer wall of the iron can cover;
s9, acid washing: pickling in acetic acid solution, wherein the main purpose of pickling is to remove oxide scales, oxide films and alkali solution remained on the surface of the iron can cover substrate, and after pickling, cleaning redundant acid solution on the surface of the stirrup for multiple times by using purified water until the pure surface of the iron can cover is exposed;
s10, secondary washing: washing the iron can cover with clear water, and washing the acetic acid solution adhered on the outer wall of the iron can cover;
s11, drying and preheating: placing the iron pot cover in a drying chamber for drying;
s12, immersion plating and diffusion annealing: placing the prepared aluminum alloy plating solution into a graphite crucible, melting the aluminum alloy plating solution to a set temperature, binding a preheated iron wire with an iron pot cover, suspending and immersing the iron wire in the aluminum alloy plating solution for immersion plating, and quickly taking out a sample for air cooling after immersion plating; placing the cooled 3-iron can cover into a JK-SX2-12-10N type box type resistance furnace for diffusion annealing treatment, wherein the diffusion annealing treatment is carried out at intervals of 20 ℃, and the diffusion time is 4 h;
s13, detection: after hot dip aluminizing and diffusion annealing are carried out on the surface of the iron can cover, a metallographic sample is prepared along the cross section of the sample, a JSM-6490LV type scanning electron microscope SEM) is adopted to carry out tissue morphology observation on a sample plating layer and a diffusion layer, an energy spectrometer (EDS) and an RIGAKUD/max-RaX-ray type diffractometer (XRD) carried by the SEM are adopted to analyze plating layer elements and phase structures, 12kW. CuKa radiation is carried out, and the wavelength is 1.5405 nm; placing an original sample of the iron tank cover and the iron tank cover subjected to hot dip aluminizing and diffusion annealing treatment in a manufactured screen, performing scouring corrosion on the sample by using a scouring pump at room temperature and using a NaCl aqueous solution with the concentration of 3.5%, taking out the sample and drying the sample after 24h, weighing the sample by using an electronic analysis balance respectively, and recording;
further, in S3 and S6, sanding treatments were performed using 300#, 700#, and 900# sandpaper, respectively.
Further, in S7, the cooled iron can lid is placed in a calcium hydroxide solution at a temperature controlled at 60 degrees celsius, and the degreasing and calcium hydroxide solution concentration is 25g/L, the reaction time is 30 minutes.
Further, in S8 and S10, the inner and outer walls of the iron cover are repeatedly washed at least three times with clean water on the inner and outer surfaces of the iron cover.
Further, in S9, the temperature of the acetic acid solution was controlled to 65 degrees Celsius, the concentration of the acetic acid solution was controlled to 15g/L, and the reaction time was 5 minutes.
Further, in S11, the temperature in the drying chamber is slowly increased at a rate of 5 degrees celsius/minute until 150 degrees celsius is reached, and the drying is performed for 40 minutes, the drying process is as gentle as possible, and a strong drying condition cannot occur, and the drying curve is reasonably optimized.
Further, in 12, the graphite crucible is a SG2-5-10 well type crucible resistance furnace, the rated power is 5kW, the rated temperature is 1000 ℃, and the temperature control equipment is an XTM101 digital display regulator.
Further, in S12, according to the theory related to the movement of atoms and molecules in the solid, the higher the temperature during immersion plating, the larger the diffusion coefficient, and the thicker the formed diffusion layer, it can be found from experiments that when the immersion plating temperature is in the region of 700-; but when the dip plating temperature is 720-760 ℃, the plating quality is good, and no holes and cracks appear; when the temperature is more than 780 ℃, fine holes and cracks are generated on the inner layer coating, and the structure is deteriorated; the immersion plating temperature was therefore 740 degrees celsius.
Further, in S12, an AI-3.0% Si-0.5% RE hot dip aluminum alloy liquid was prepared using 99.7% commercial purity aluminum, 99.9% crystalline silicon, and A1-1O% RE master alloy, wherein the Si mass fraction was 3.0%, the RE mass fraction was 0.5%, and the remainder was AI.
Example 2
A preparation process of a novel tinplate can cover specifically comprises the following steps:
s1, selecting materials: selecting an iron sheet with proper thickness;
s2, cutting: cutting the iron sheet;
s3, grinding for the first time: polishing the cut iron sheet, and performing key polishing on the cut to facilitate subsequent welding;
s4, welding: welding the polished iron sheet into an iron tank cover;
s5, cooling: cooling the welded iron can cover;
s6, secondary grinding: polishing the cooled iron can cover again;
s7, deoiling: dipping the cooled iron tank cover in a calcium hydroxide solution to remove oil stains;
s8, primary washing: washing the iron can cover with clear water, and washing the calcium hydroxide solution on the outer wall of the iron can cover;
s9, acid washing: pickling in acetic acid solution, wherein the main purpose of pickling is to remove oxide scales, oxide films and alkali solution remained on the surface of the iron can cover substrate, and after pickling, cleaning redundant acid solution on the surface of the stirrup for multiple times by using purified water until the pure surface of the iron can cover is exposed;
s10, secondary washing: washing the iron can cover with clear water, and washing the acetic acid solution adhered on the outer wall of the iron can cover;
s11, drying and preheating: placing the iron pot cover in a drying chamber for drying;
s12, immersion plating and diffusion annealing: placing the prepared aluminum alloy plating solution into a graphite crucible, melting the aluminum alloy plating solution to a set temperature, binding a preheated iron wire with an iron pot cover, suspending and immersing the iron wire in the aluminum alloy plating solution for immersion plating, and quickly taking out a sample for air cooling after immersion plating; placing the cooled 3-iron can cover into a JK-SX2-12-10N type box type resistance furnace for diffusion annealing treatment, wherein the diffusion annealing treatment is carried out at intervals of 20 ℃, and the diffusion time is 4 h;
s13, detection: after hot dip aluminizing and diffusion annealing are carried out on the surface of the iron can cover, a metallographic sample is prepared along the cross section of the sample, a JSM-6490LV type scanning electron microscope SEM) is adopted to carry out tissue morphology observation on a sample plating layer and a diffusion layer, an energy spectrometer (EDS) and an RIGAKUD/max-RaX-ray type diffractometer (XRD) carried by the SEM are adopted to analyze plating layer elements and phase structures, 12kW. CuKa radiation is carried out, and the wavelength is 1.5405 nm; placing an original sample of the iron tank cover and the iron tank cover subjected to hot dip aluminizing and diffusion annealing treatment in a manufactured screen, performing scouring corrosion on the sample by using a scouring pump at room temperature and using a NaCl aqueous solution with the concentration of 3.5%, taking out the sample and drying the sample after 24h, weighing the sample by using an electronic analysis balance respectively, and recording;
further, in S3 and S6, sanding treatments were performed using 300#, 700#, and 900# sandpaper, respectively.
Further, in S7, the cooled iron can lid is placed in a calcium hydroxide solution at a temperature controlled at 70 degrees celsius to remove oil contamination, the concentration of the calcium hydroxide solution is 25g/L, and the reaction time is 40 minutes.
Further, in S8 and S10, the inner and outer walls of the iron cover are repeatedly washed at least three times with clean water on the inner and outer surfaces of the iron cover.
Further, in S9, the temperature of the acetic acid solution was controlled to 75 degrees Celsius, the concentration of the acetic acid solution was controlled to 15g/L, and the reaction time was 5 minutes.
Further, in S11, the temperature in the drying chamber is slowly increased at a rate of 4 degrees celsius/minute until 180 degrees celsius is reached, and the drying is performed for 40 minutes, the drying process is as gentle as possible, and the drying curve is reasonably optimized.
Further, in 12, the graphite crucible is a SG2-5-10 well type crucible resistance furnace, the rated power is 5kW, the rated temperature is 1000 ℃, and the temperature control equipment is an XTM101 digital display regulator.
Further, in S12, according to the theory related to the movement of atoms and molecules in the solid, the higher the temperature during immersion plating, the larger the diffusion coefficient, and the thicker the formed diffusion layer, it can be found from experiments that when the immersion plating temperature is in the region of 700-; but when the dip plating temperature is 720-760 ℃, the plating quality is good, and no holes and cracks appear; when the temperature is more than 780 ℃, fine holes and cracks are generated on the inner layer coating, and the structure is deteriorated; the immersion plating temperature was therefore 740 degrees celsius.
Further, in S12, an AI-3.0% Si-0.5% RE hot dip aluminum alloy liquid was prepared using 99.7% commercial purity aluminum, 99.9% crystalline silicon, and A1-1O% RE master alloy, wherein the Si mass fraction was 3.0%, the RE mass fraction was 0.5%, and the remainder was AI.
Example 3
A preparation process of a novel tinplate can cover specifically comprises the following steps:
s1, selecting materials: selecting an iron sheet with proper thickness;
s2, cutting: cutting the iron sheet;
s3, grinding for the first time: polishing the cut iron sheet, and performing key polishing on the cut to facilitate subsequent welding;
s4, welding: welding the polished iron sheet into an iron tank cover;
s5, cooling: cooling the welded iron can cover;
s6, secondary grinding: polishing the cooled iron can cover again;
s7, deoiling: dipping the cooled iron tank cover in a calcium hydroxide solution to remove oil stains;
s8, primary washing: washing the iron can cover with clear water, and washing the calcium hydroxide solution on the outer wall of the iron can cover;
s9, acid washing: pickling in acetic acid solution, wherein the main purpose of pickling is to remove oxide scales, oxide films and alkali solution remained on the surface of the iron can cover substrate, and after pickling, cleaning redundant acid solution on the surface of the stirrup for multiple times by using purified water until the pure surface of the iron can cover is exposed;
s10, secondary washing: washing the iron can cover with clear water, and washing the acetic acid solution adhered on the outer wall of the iron can cover;
s11, drying and preheating: placing the iron pot cover in a drying chamber for drying;
s12, immersion plating and diffusion annealing: placing the prepared aluminum alloy plating solution into a graphite crucible, melting the aluminum alloy plating solution to a set temperature, binding a preheated iron wire with an iron pot cover, suspending and immersing the iron wire in the aluminum alloy plating solution for immersion plating, and quickly taking out a sample for air cooling after immersion plating; placing the cooled 3-iron can cover into a JK-SX2-12-10N type box type resistance furnace for diffusion annealing treatment, wherein the diffusion annealing treatment is carried out at intervals of 20 ℃, and the diffusion time is 4 h;
s13, detection: after hot dip aluminizing and diffusion annealing are carried out on the surface of the iron can cover, a metallographic sample is prepared along the cross section of the sample, a JSM-6490LV type scanning electron microscope SEM) is adopted to carry out tissue morphology observation on a sample plating layer and a diffusion layer, an energy spectrometer (EDS) and an RIGAKUD/max-RaX-ray type diffractometer (XRD) carried by the SEM are adopted to analyze plating layer elements and phase structures, 12kW. CuKa radiation is carried out, and the wavelength is 1.5405 nm; placing an original sample of the iron tank cover and the iron tank cover subjected to hot dip aluminizing and diffusion annealing treatment in a manufactured screen, performing scouring corrosion on the sample by using a scouring pump at room temperature and using a NaCl aqueous solution with the concentration of 3.5%, taking out the sample and drying the sample after 24h, weighing the sample by using an electronic analysis balance respectively, and recording;
further, in S3 and S6, sanding treatments were performed using 300#, 700#, and 900# sandpaper, respectively.
Further, in S7, the cooled iron can lid was placed in a calcium hydroxide solution at a temperature of 65 degrees celsius to remove oil contamination, the concentration of the calcium hydroxide solution was 25g/L, and the reaction time was 35 minutes.
Further, in S8 and S10, the inner and outer walls of the iron cover are repeatedly washed at least three times with clean water on the inner and outer surfaces of the iron cover.
Further, in S9, the temperature of the acetic acid solution was controlled to 70 degrees Celsius, the concentration of the acetic acid solution was controlled to 15g/L, and the reaction time was 5 minutes.
Further, in S11, the temperature in the drying chamber is slowly increased at a rate of 6 degrees celsius/minute until 160 degrees celsius is reached, and the drying is performed for 40 minutes, the drying process is as gentle as possible, and a strong drying condition cannot occur, and the drying curve is reasonably optimized.
Further, in 12, the graphite crucible is a SG2-5-10 well type crucible resistance furnace, the rated power is 5kW, the rated temperature is 1000 ℃, and the temperature control equipment is an XTM101 digital display regulator.
Further, in S12, according to the theory related to the movement of atoms and molecules in the solid, the higher the temperature during immersion plating, the larger the diffusion coefficient, and the thicker the formed diffusion layer, it can be found from experiments that when the immersion plating temperature is in the region of 700-; when the dip plating temperature is 735 ℃, the quality of the plating layer is good, and no holes and cracks appear; when the temperature is more than 780 ℃, fine holes and cracks are generated on the inner layer coating, and the structure is deteriorated; the immersion plating temperature was therefore 730 degrees celsius.
Further, in S12, an AI-3.0% Si-0.5% RE hot dip aluminum alloy liquid was prepared using 99.7% commercial purity aluminum, 99.9% crystalline silicon, and A1-1O% RE master alloy, wherein the Si mass fraction was 3.0%, the RE mass fraction was 0.5%, and the remainder was AI.
In summary, the following steps: compared with the prior art: the technology can prepare the tinplate can cover with excellent performance by material selection, cutting, primary grinding, welding, cooling, secondary grinding, deoiling, primary washing, acid washing, secondary washing, drying and preheating, dip plating, diffusion annealing and detection;
the forming quality of the tinplate can cover is greatly improved through secondary grinding and secondary washing, and the forming quality of the tinplate can cover is further improved through deoiling and pickling treatment;
aluminizing the tinplate tank cover to form FeAI with a certain thickness between the outer wall of the tinplate tank cover and the aluminum coating3With Fe2AI5The alloy compound layer enables metallurgical bonding between the tinplate tank cover and the aluminum coating, has strong bonding force, and is not easy to fall off the coating2O3Further improving the corrosion resistance of the tinplate can cover.
Therefore, the tinplate can cover with excellent performance can be prepared by material selection, cutting, primary polishing, welding, cooling, secondary polishing, deoiling, primary washing, pickling, secondary washing, drying and preheating, dip plating, diffusion annealing and detection, the forming quality of the tinplate can cover is improved, the tinplate can cover is aluminized, and the corrosion resistance of the tinplate can cover is greatly improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. The preparation process of the tin can cover is characterized by comprising the following steps:
s1, selecting materials: selecting an iron sheet with proper thickness;
s2, cutting: cutting the iron sheet;
s3, grinding for the first time: polishing the cut iron sheet, and performing key polishing on the cut to facilitate subsequent welding;
s4, welding: welding the polished iron sheet into an iron tank cover;
s5, cooling: cooling the welded iron can cover;
s6, secondary grinding: polishing the cooled iron can cover again;
s7, deoiling: dipping the cooled iron tank cover in a calcium hydroxide solution to remove oil stains;
s8, primary washing: washing the iron can cover with clear water, and washing the calcium hydroxide solution on the outer wall of the iron can cover;
s9, acid washing: pickling in acetic acid solution, wherein the main purpose of pickling is to remove oxide scales, oxide films and alkali solution remained on the surface of the iron can cover substrate, and after pickling, cleaning redundant acid solution on the surface of the stirrup for multiple times by using purified water until the pure surface of the iron can cover is exposed;
s10, secondary washing: washing the iron can cover with clear water, and washing the acetic acid solution adhered on the outer wall of the iron can cover;
s11, drying and preheating: placing the iron pot cover in a drying chamber for drying;
s12, immersion plating and diffusion annealing: placing the prepared aluminum alloy plating solution into a graphite crucible, melting to a set temperature, binding a preheated iron wire with an iron can cover, suspending and immersing the iron wire in the aluminum alloy plating solution for immersion plating, and quickly taking out a sample for air cooling after immersion plating; placing the cooled iron can cover into a JK-SX2-12-10N type box type resistance furnace for diffusion annealing treatment, wherein the sample is placed at intervals of 20 ℃, and the diffusion time is 4 h;
s13, detection: after hot dip aluminizing and diffusion annealing are carried out on the surface of the iron can cover, a metallographic sample is prepared along the cross section of the sample, a JSM-6490LV type scanning electron microscope SEM is adopted to carry out tissue morphology observation on a sample plating layer and a diffusion layer, an energy spectrometer (EDS) and an RIGAKUD/max-RaX-ray type diffractometer (XRD) carried by the SEM are adopted to analyze plating layer elements and phase structures, 12kW. CuKa radiation is carried out, and the wavelength is 1.5405 nm; placing an original sample of the iron tank cover and the iron tank cover subjected to hot dip aluminizing and diffusion annealing treatment in a manufactured screen, performing scouring corrosion on the sample by using a scouring pump at room temperature and using a NaCl aqueous solution with the concentration of 3.5%, taking out the sample and drying the sample after 24h, weighing the sample by using an electronic analysis balance respectively, and recording;
in S3 and S6, respectively adopting 300#, 700#, 900# sandpaper to respectively carry out grinding treatment;
in S7, the cooled iron can cover is placed in a calcium hydroxide solution, the temperature is controlled to be 60-70 ℃, the oil stain is removed, the concentration of the calcium hydroxide solution is 25g/L, and the reaction time is 30-40 minutes;
in S8 and S10, the inner surface and the outer surface of the iron can cover are repeatedly washed by clean water for at least three times;
in S9, controlling the temperature of the acetic acid solution to be 65-75 ℃, controlling the concentration of the acetic acid solution to be 15g/L, and controlling the reaction time to be 5 minutes;
in S11, slowly raising the temperature in the drying chamber at a temperature raising rate of 4-6 ℃ per minute until reaching 150 ℃ -;
in 12, the graphite crucible is a SG2-5-10 well type crucible resistance furnace, the rated power is 5kW, the rated temperature is 1000 ℃, and the temperature control equipment is an XTM101 digital display regulator;
in S12, according to the theory related to the movement of atoms and molecules in the solid, the higher the temperature during immersion plating, the larger the diffusion coefficient, and the thicker the formed diffusion layer, it can be known from experiments that when the immersion plating temperature is in the range of 700-; but when the dip plating temperature is 720-760 ℃, the plating quality is good, and no holes and cracks appear; when the temperature is more than 780 ℃, fine holes and cracks are generated on the inner layer coating, and the structure is deteriorated; therefore, the immersion plating temperature is 720-760 ℃;
in S12, an AI-3.0% Si-0.5% RE hot dip aluminum alloy plating solution is prepared by using 99.7% of industrial pure aluminum, 99.9% of crystalline silicon and A1-1O% of RE master alloy, wherein the mass fraction of Si is 3.0%, the mass fraction of RE is 0.5%, and the balance is AI.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911406700.XA CN111015131B (en) | 2019-12-31 | 2019-12-31 | Preparation process of tinplate can cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911406700.XA CN111015131B (en) | 2019-12-31 | 2019-12-31 | Preparation process of tinplate can cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111015131A CN111015131A (en) | 2020-04-17 |
| CN111015131B true CN111015131B (en) | 2021-06-29 |
Family
ID=70196424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911406700.XA Active CN111015131B (en) | 2019-12-31 | 2019-12-31 | Preparation process of tinplate can cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111015131B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114894582B (en) * | 2022-05-24 | 2025-02-07 | 北京北科中钢工程技术有限公司 | A sample processing system in steel smelting |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000043801A (en) * | 1998-12-29 | 2000-07-15 | 이구택 | Method for producing hot rolled steel plate coated with melted zinc of steel plate containing silicon |
| CN101649440A (en) * | 2009-09-11 | 2010-02-17 | 广西大学 | Environmental-protection hot-dip aluminum plating assistant |
| KR20100121106A (en) * | 2009-05-08 | 2010-11-17 | (주) 위닉스 | Manufacturing method of pressure supply port for pressure sensor module |
| CN102337488A (en) * | 2010-07-23 | 2012-02-01 | 海洋王照明科技股份有限公司 | Aluminizing liquid, hot dip aluminum plating method and metal device prepared by method |
| CN103628013A (en) * | 2013-11-12 | 2014-03-12 | 江苏大学 | Preparation method of high-temperature wear-resistant coating on surface of steel piece |
| CN105586557A (en) * | 2016-03-25 | 2016-05-18 | 大连新锋钢管厂 | Hoop surface hot dip coating tin alloy process |
| CN108857293A (en) * | 2018-09-13 | 2018-11-23 | 安徽中盛罐业股份有限公司 | A kind of preparation process of novel can |
| CN109642279A (en) * | 2016-08-05 | 2019-04-16 | 新日铁住金株式会社 | steel sheet and plated steel sheet |
-
2019
- 2019-12-31 CN CN201911406700.XA patent/CN111015131B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000043801A (en) * | 1998-12-29 | 2000-07-15 | 이구택 | Method for producing hot rolled steel plate coated with melted zinc of steel plate containing silicon |
| KR20100121106A (en) * | 2009-05-08 | 2010-11-17 | (주) 위닉스 | Manufacturing method of pressure supply port for pressure sensor module |
| CN101649440A (en) * | 2009-09-11 | 2010-02-17 | 广西大学 | Environmental-protection hot-dip aluminum plating assistant |
| CN102337488A (en) * | 2010-07-23 | 2012-02-01 | 海洋王照明科技股份有限公司 | Aluminizing liquid, hot dip aluminum plating method and metal device prepared by method |
| CN103628013A (en) * | 2013-11-12 | 2014-03-12 | 江苏大学 | Preparation method of high-temperature wear-resistant coating on surface of steel piece |
| CN105586557A (en) * | 2016-03-25 | 2016-05-18 | 大连新锋钢管厂 | Hoop surface hot dip coating tin alloy process |
| CN109642279A (en) * | 2016-08-05 | 2019-04-16 | 新日铁住金株式会社 | steel sheet and plated steel sheet |
| CN108857293A (en) * | 2018-09-13 | 2018-11-23 | 安徽中盛罐业股份有限公司 | A kind of preparation process of novel can |
Non-Patent Citations (1)
| Title |
|---|
| 钢铁表面热浸镀铝新工艺及镀层厚度控制模型研究;李凌;《工程科技Ⅰ辑》;20050915(第5期);第4-11、20、33、34-41页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111015131A (en) | 2020-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR0176301B1 (en) | Hot-dip aluminum plated steel sheet excellent in corrosion resistance and heat resistance and its production | |
| TW539769B (en) | Surface treated tin-plated steel sheet and chemical treatment solution | |
| CN103038398B (en) | Steel sheet for hot stamping, and process for manufacturing hot-stamped steel products using steel sheet for hot stamping | |
| KR101199069B1 (en) | Steel sheet with hot dip galvanized zinc alloy coating and process to produce it | |
| RU2586377C2 (en) | Method of producing iron-tin alloy layer on packaging steel substrate | |
| KR101304850B1 (en) | Metal-coating steel sheet, galvanized steel sheet and method for manufacturing the same | |
| KR101376381B1 (en) | Plating steel sheet having excellent corrosion resistance, high formability and good appearance and method for production thereof | |
| JPS602396B2 (en) | Acid tin plating bath | |
| WO2021039971A1 (en) | Hot-stamped article | |
| CN111015131B (en) | Preparation process of tinplate can cover | |
| EP3631043B1 (en) | A coated metallic substrate and fabrication method | |
| KR20150070841A (en) | High-anticorosive coated steel sheet and method for manufacturing the same | |
| JPS5983765A (en) | Manufacture of vacuum deposited galvanized steel sheet efficient in adhesion of plated metal | |
| EP1260598A1 (en) | Steel sheet and process and equipment for producing the same | |
| CA3209226A1 (en) | Aluminum plated steel sheet, thermoformed component, and manufacturing methods | |
| JPH0472091A (en) | Surface-treated steel sheet for two-piece can and production thereof | |
| JP2525165B2 (en) | Method for manufacturing high strength galvanized steel sheet | |
| CN112746235A (en) | Production process of thick-specification small-spangle aluminum-zinc-silicon coating steel plate and steel plate | |
| JP2007131889A (en) | Al-Mg-Si-BASED ALUMINUM ALLOY SHEET | |
| CN114774822B (en) | Method for preparing high temperature oxidation resistant coating on 316L stainless steel surface | |
| JPH05106001A (en) | Method for plating molten zinc on steel sheet containing silicon | |
| JPH07243012A (en) | Method for producing alloyed hot-dip galvanized steel sheet with excellent surface appearance | |
| JPH0413856A (en) | Production of galvannealed steel sheet having superior corrosion resistance | |
| JPS5938315B2 (en) | Manufacturing method of ultra-thin iron-tin alloy coated steel sheet | |
| WO2023241515A1 (en) | Steel sheet plated with zinc-aluminum-magnesium-calcium alloy by means of hot dipping and manufacturing method therefor |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Preparation process of a tin can lid Effective date of registration: 20231229 Granted publication date: 20210629 Pledgee: Industrial Bank Limited by Share Ltd. Zhangzhou branch Pledgor: FUJIAN JINRUIDA METAL PACKING CO.,LTD. Registration number: Y2023980075738 |