CN102519412A - Preparation method of galvanized plate zinc layer quality standard plate - Google Patents
Preparation method of galvanized plate zinc layer quality standard plate Download PDFInfo
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- CN102519412A CN102519412A CN2011104439565A CN201110443956A CN102519412A CN 102519412 A CN102519412 A CN 102519412A CN 2011104439565 A CN2011104439565 A CN 2011104439565A CN 201110443956 A CN201110443956 A CN 201110443956A CN 102519412 A CN102519412 A CN 102519412A
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Abstract
The invention relates to a preparation method of a galvanized plate zinc layer quality standard plate. The preparation method comprises the following steps that: a sample blank board of galvanized plate is intercepted; cutting is carried out; acetone is used to clean the surface of the cut sample blank board until the surface is clean; drying is carried out; an X ray fluorescence spectrometer is used to detect uniformity of a zinc coating on the surface of the sample blank board; an arbitration method is used to again determine a zinc content of the sample blank board surface per unit area; the calculated zinc content data of the sample blank board surface per unit area are assigned to a sample blank board that has not been corroded and the sample blank board that has not been corroded is a standard plate. According to the prepared standard plate of the galvanized plate in the invention, the sample blank board is obtained in an on-line mode; and the manufactured standard plate is used to check an on-line or laboratory zinc layer quality (thickness) measuring device, so that the quality/thickness of the zinc coating of the galvanized plate that is produced by an enterprise accords with the product standard and thus the user demand can also be met.
Description
Technical field
The invention belongs to a kind of preparation method of new galvanized sheet zinc layer quality standard plate, particularly relate to a kind of preparation method of pure galvanized sheet zinc layer quality standard plate.This on-gauge plate is used for the calibrating/calibration of steel industry to online zinc layer thicknessmeter and laboratory zinc layer mass measurement equipment.
Background technology
In recent years, China built up Continuous Hot Dip Galvanizing online zinc layer thicknessmeter all was installed, and was used to detect steel sheet zinc coating thickness (quality); For guaranteeing the accuracy of online zinc layer thicknessmeter; Must examine and determine or calibrate with zinc-plated on-gauge plate by the cycle, and this on-gauge plate will conform to the product zinc liquid composition that this enterprise is produced, and on-gauge plate has ageing; Regularly replace, the foreign producer that produces zinc layer thicknessmeter also is difficult to provide the on-gauge plate that is fit to this enterprise.
China does not still have the zinc-plated on-gauge plate that oneself is developed, and externally support property is very strong.China is mainly GB/T 2518-2004 " continuous hot galvanizing steel plate and steel band ", GB/T 1839-2003 " product made from steel zinc coating quality test method " about the foundation that zinc coating quality requires at present; Galvanized sheet zinc layer quality standard plate still there are not the industry standard and the local industry standard of relevant product, product, not to the unified approach and the technical requirement of the inspection provision standard of this series products.
Summary of the invention
The present invention seeks to be to provide a kind of preparation method of galvanized sheet zinc layer quality standard plate; Can set up the measuring basis of enterprise; Online zinc layer thicknessmeter and laboratory zinc layer quality detection apparatus are calibrated, made the galvanized sheet zinc layer quality of enterprise production satisfy user's demand.
Realize the measure of above-mentioned purpose:
A kind of preparation method of galvanized sheet zinc layer quality standard plate, its step:
1) the appearance blanket of intercepting galvanized sheet;
2) this kind blanket is carried out cutting, the size conforms checkout equipment requires to get final product;
3) extremely clean to the appearance blanket surface after the cutting with acetone;
4) carry out drying, baking temperature is dried to the no acetone stain in kind blanket surface and gets final product at 35～60 ℃;
5) adopt Xray fluorescence spectrometer that the homogeneity of appearance blanket plating zinc on surface layer is detected, gated sweep speed is in 0.5～1.2 mm/second, and sweep limit is at appearance blanket middle part, and width is at least at 200 millimeters; Its length is at least at 350 millimeters; Calculate ratio between the mean value of difference and all data of data maximal value and the minimum value surveyed to require≤2%;
6) the employing arbitration law carries out confirming its method once more to the zinc content of the unit area on appearance blanket surface:
A, confirm area and the cutting that on the appearance blanket, will corrode, the area that corrode accounts for 20% of kind blanket total area at least;
B, to cut the appearance blanket weigh, weighing should be accurate to 0.1 milligram;
C, select the plate face that will corrode, and the one side of not corroding carried out capping;
D, in mass concentration is 40～60% hydrochloric acid solution, corrode, produce until no bubble;
E, the appearance blanket after corrosion is carried out drying after washing, be dried to kind no water stain the getting final product in blanket surface;
F, weigh once more, weighing should be accurate to 0.1 milligram;
G, the zinc content on the appearance blanket surface of being corroded is calculated according to following formula:
In the formula: M-representes the zinc content in kind blanket surface unit area, unit: gram/square metre
m
1Weight before the corrosion of-expression appearance blanket, unit: gram
m
2The weight of-expression appearance blanket after corrosion, unit: gram
A-representes the area that kind blanket is corroded, unit: square millimeter; Be accurate to 0.1 square millimeter;
7) give the appearance blanket of not eroded with the zinc content data assignment in the appearance blanket surface unit area that is calculated, the appearance blanket of not eroded then is an on-gauge plate, and this on-gauge plate is as the measuring basis of galvanized wire online zinc layer thicknessmeter and laboratory zinc layer thicknessmeter.
It is characterized in that: scanner on appearance blanket surface at least 1500/square metres of the data of surveying.
It is characterized in that: the precision of the instrument of weighing is≤0.1 milligram, and the measurement of model area is accurate to 0.1 square millimeter.
Adopt the galvanized sheet on-gauge plate of the present invention's preparation; Its kind blanket is online obtaining; The on-gauge plate of made is used for proofreading online or laboratory zinc layer quality (thickness) measuring equipment, makes the galvanized sheet zinc coating quality (thickness) of enterprise production meet product standard, meets consumers' demand.
The prepared on-gauge plate of the present invention is with low cost, is that 30,000 yuan of Renminbi are reduced to about 0.1 ten thousand yuans by an on-gauge plate of external import.
Embodiment
In the face of doing, the present invention further describes down:
Embodiment 1
The preparation galvanizing quality be 100 the gram/square metre on-gauge plate, its step:
1) production line intercepting galvanized sheet the appearance blanket;
2) this kind blanket is carried out cutting, be of a size of 220 millimeters * 360 millimeters;
3) extremely clean to the appearance blanket surface after the cutting with acetone;
4) carry out drying, baking temperature is dried to the no acetone stain in kind blanket surface at 35 ℃;
5) adopt Xray fluorescence spectrometer that the homogeneity of appearance blanket plating zinc on surface layer is detected, gated sweep speed is in 0.8 mm/second, and the width of gated sweep appearance in the middle part of the appearance blanket is at 200 millimeters; Its length is at 350 millimeters, and Xray fluorescence spectrometer measures 1500/square metre data, and its maximal value is 101; Minimum value is 99; Mean value is 100,, the data of the surveying maximal value and the ratio between difference between the minimum value and the mean value that occur be 2%;
6) the employing arbitration law carries out confirming its method once more to the zinc content of the unit area on appearance blanket surface:
A, confirm that the area that on the appearance blanket, will corrode is: 200 millimeters * 90 millimeters (length), and cutting, the area that corrode is 23% of the appearance blanket total area;
B, to cut the appearance blanket weigh, the weight precision is at 0.1 milligram;
C, select the plate face that will corrode, and the one side of not corroding carried out capping;
D, in mass concentration is 40% hydrochloric acid solution, corrode, produce and finish until no bubble;
E, the appearance blanket after corrosion is carried out drying after washing, it is no water stain to be dried to kind blanket surface;
F, weigh once more, the weight precision is at 0.1 milligram;
G, the zinc content on the appearance blanket surface of being corroded is calculated according to following formula:
In the formula: M-representes the zinc content in kind blanket surface unit area, restrain through calculating M=100.4/square metre
m
1Weight before the corrosion of-expression appearance blanket, its data are 64.6591 grams;
m
2The weight of-expression appearance blanket after corrosion, its data are 62.8514 grams;
The total area of the appearance blanket that A-representes to corrode, its data are 18000 square millimeters;
7) give the appearance blanket of not eroded with the zinc content data 100.4 gram/square metre assignment in the appearance blanket surface unit area that is calculated; The appearance blanket of not eroded then is an on-gauge plate, and this on-gauge plate is as the measuring basis of galvanized wire online zinc layer thicknessmeter and laboratory zinc layer thicknessmeter.
Embodiment 2
The preparation galvanizing quality be 120 the gram/square metre on-gauge plate, its step:
1) production line intercepting galvanized sheet the appearance blanket;
2) this kind blanket is carried out cutting, be of a size of 210 millimeters * 360 millimeters;
3) extremely clean to the appearance blanket surface after the cutting with acetone;
4) carry out drying, baking temperature is dried to the no acetone stain in kind blanket surface at 45 ℃;
5) adopt Xray fluorescence spectrometer that the homogeneity of appearance blanket plating zinc on surface layer is detected, gated sweep speed is in 0.8 mm/second, and the width of gated sweep appearance in the middle part of the appearance blanket is at 200 millimeters; Its length is at 350 millimeters; The data that Xray fluorescence spectrometer measures are 1600/square metre, and its maximal value is 121, and minimum value is 199.5; Mean value is 120, the ratio between the mean value of the maximal value that occurs of the data of surveying and the difference between the minimum value and its residual value sum be 1.25%.
6) the employing arbitration law carries out confirming its method once more to the zinc content of the unit area on appearance blanket surface:
A, confirm that the area that on the appearance blanket, will corrode is: 210 millimeters * 108 millimeters (length), and cutting, the area that corrode account for 30% of kind blanket total area;
B, to cut the appearance blanket weigh, the weight precision is at 0.1 milligram;
C, select the plate face that will corrode, and the one side of not corroding carried out capping;
D, in mass concentration is 40% hydrochloric acid solution, corrode, produce and finish until no bubble;
E, the appearance blanket after corrosion is carried out drying after washing, it is no water stain to be dried to kind blanket surface;
F, weigh once more, the weight precision is at 0.1 milligram;
G, the zinc content on the appearance blanket surface of being corroded is calculated according to following formula:
In the formula: M-representes the zinc content in kind blanket surface unit area, restrain through calculating M=119.8/square metre
m
1Weight before the corrosion of-expression appearance blanket, its data are 81.7134 grams;
m
2The weight of-expression appearance blanket after corrosion, its data are 78.9963 grams;
The total area of the appearance blanket that A-representes to corrode, its data are 22680 square millimeters;
7) give the appearance blanket of not eroded with the zinc content data 119.8 gram/square metre assignment in the appearance blanket surface unit area that is calculated; The appearance blanket of not eroded then is an on-gauge plate, and this on-gauge plate is as the measuring basis of galvanized wire online zinc layer thicknessmeter and laboratory zinc layer thicknessmeter.
Embodiment 3
The preparation galvanizing quality be 80 the gram/square metre on-gauge plate, its step:
1) production line intercepting galvanized steel plain sheet the appearance blanket;
2) this kind blanket is carried out cutting, be of a size of 220 millimeters * 370 millimeters;
3) extremely clean to the appearance blanket surface after the cutting with acetone;
4) carry out drying, baking temperature is dried to the no acetone stain in kind blanket surface at 35 ℃;
5) adopt Xray fluorescence spectrometer that the homogeneity of appearance blanket plating zinc on surface layer is detected, gated sweep speed is in 0.5 mm/second, and the width of gated sweep appearance in the middle part of the appearance blanket is at 200 millimeters; Its length is at 350 millimeters; Xray fluorescence spectrometer measures 1500/square metre data, and its maximal value is 79, and minimum value is 77.5; All the other mean values are 78, the ratio between the mean value of the maximal value that occurs of the data of surveying and the difference between the minimum value and its residual value sum be 1.92%.
6) the employing arbitration law carries out confirming its method once more to the zinc content of the unit area on appearance blanket surface:
A, confirm that the area that on the appearance blanket, will corrode is: 200 millimeters * 87.5 millimeters (length), and cutting, the area that corrode account for 21.5% of kind blanket total area;
B, to cut the appearance blanket weigh, the weight precision is at 0.09 milligram;
C, select the plate face that will corrode, and the one side of not corroding carried out capping;
D, in mass concentration is 50% hydrochloric acid solution, corrode, produce and finish until no bubble;
E, the appearance blanket after corrosion is carried out drying after washing, it is no water stain to be dried to kind blanket surface;
F, weigh once more, the weight precision is at 0.09 milligram;
G, the zinc content on the appearance blanket surface of being corroded is calculated according to following formula:
In the formula: M-representes the zinc content in kind blanket surface unit area, restrain through calculating M=79.9/square metre
m
1Weight before the corrosion of-expression appearance blanket, its data are 78.6993 grams;
m
2The weight of-expression appearance blanket after corrosion, its data are 77.3002 grams;
The total area of the appearance blanket that A-representes to corrode, its data are 17500 square millimeters;
7) give the appearance blanket of not eroded with the zinc content data M=79.9 gram/square metre assignment in the appearance blanket surface unit area that is calculated; The appearance blanket of not eroded then is an on-gauge plate, and this on-gauge plate is as the measuring basis of galvanized wire online zinc layer thicknessmeter and laboratory zinc layer thicknessmeter.
Embodiment 4
The preparation galvanizing quality be 160 the gram/square metre on-gauge plate, its step:
1) production line intercepting galvanized sheet the appearance blanket;
2) this kind blanket is carried out cutting, be of a size of 220 millimeters * 370 millimeters;
3) extremely clean to the appearance blanket surface after the cutting with acetone;
4) carry out drying, baking temperature is dried to the no acetone stain in kind blanket surface at 35 ℃;
5) adopt Xray fluorescence spectrometer that the homogeneity of appearance blanket plating zinc on surface layer is detected, gated sweep speed is in 0.5 mm/second, and the width of gated sweep appearance in the middle part of the appearance blanket is at 200 millimeters; Its length is at 350 millimeters; Xray fluorescence spectrometer measures 1500/square metre data, and its mxm. is 161.99, and minimum value is 159.01; All the other mean values are 160.22, the ratio between the mean value of the mxm. that occurs of the data of surveying and the difference between the minimum value and its residual value sum be 1.86%;
6) the employing arbitration law carries out confirming its method once more to the zinc content of the unit area on appearance blanket surface:
A, confirm that the area that on the appearance blanket, will corrode is: 200 millimeters X87.5 millimeters (length), and cutting, the area that corrode account for 21.5% of kind blanket total area;
B, to cut the appearance blanket weigh, the weight precision is at 0.09 milligram;
C, select the plate face that will corrode, and the one side of not corroding carried out capping;
D, in mass concentration is 55% hydrochloric acid solution, corrode, produce and finish until no bubble;
E, the appearance blanket after corrosion is carried out drying after washing, it is no water stain to be dried to kind blanket surface;
F, weigh once more, the weight precision is at 0.09 milligram;
G, the zinc content on the appearance blanket surface of being corroded is calculated according to following formula:
In the formula: M-representes the zinc content in kind blanket surface unit area, restrain through calculating M=160.2/square metre
m
1Weight before the corrosion of-expression appearance blanket, its data are 74.9314 grams;
m
2The weight of-expression appearance blanket after corrosion, its data are 72.1279 grams;
The total area of the appearance blanket that A-representes to corrode, its data are 17500 square millimeters;
7) give the appearance blanket of not eroded with the zinc content data M=160.2 gram/square metre assignment in the appearance blanket surface unit area that is calculated; The appearance blanket of not eroded then is an on-gauge plate, and this on-gauge plate is as the measuring basis of galvanized wire online zinc layer thicknessmeter and laboratory zinc layer thicknessmeter.
On-gauge plate through to the made of each embodiment uses, and promptly to the check and correction of online zinc layer thicknessmeter, online zinc layer thicknessmeter measured value carries out closed-loop control makes galvanized sheet kind hit rate bring up to 99.5% by original 95%.
Claims (3)
1. the preparation method of a galvanized sheet zinc layer quality standard plate, its step:
1) the appearance blanket of intercepting galvanized sheet;
2) this kind blanket is carried out cutting, the size conforms checkout equipment requires to get final product;
3) extremely clean to the appearance blanket surface after the cutting with acetone;
4) carry out drying, baking temperature is dried to the no acetone stain in kind blanket surface and gets final product at 35～60 ℃;
5) adopt Xray fluorescence spectrometer that the homogeneity of appearance blanket plating zinc on surface layer is detected, gated sweep speed is in 0.5～1.2 mm/second, and sweep limit is at appearance blanket middle part, and width is at least at 200 millimeters; Its length is at least at 350 millimeters; Calculate ratio between the mean value of difference and all data of data maximal value and the minimum value surveyed to require≤2%;
6) the employing arbitration law carries out confirming its method once more to the zinc content of the unit area on appearance blanket surface:
A, confirm area and the cutting that on the appearance blanket, will corrode, the area that corrode accounts for 20% of kind blanket total area at least;
B, to cut the appearance blanket weigh, weighing should be accurate to 0.1 milligram;
C, select the plate face that will corrode, and the one side of not corroding carried out capping;
D, in mass concentration is 40～60% hydrochloric acid solution, corrode, produce until no bubble;
E, the appearance blanket after corrosion is carried out drying after washing, be dried to kind no water stain the getting final product in blanket surface;
F, weigh once more, weighing should be accurate to 0.1 milligram;
G, the zinc content on the appearance blanket surface of being corroded is calculated according to following formula:
In the formula: M-representes the zinc content in kind blanket surface unit area, unit: gram/square metre
m
1Weight before the corrosion of-expression appearance blanket, unit: gram
m
2The weight of-expression appearance blanket after corrosion, unit: gram
A-representes the area that kind blanket is corroded, unit: square millimeter; Be accurate to 0.1 square millimeter;
7) give the appearance blanket of not eroded with the zinc content data assignment in the appearance blanket surface unit area that is calculated, the appearance blanket of not eroded then is an on-gauge plate, and this on-gauge plate is as the measuring basis of galvanized wire online zinc layer thicknessmeter and laboratory zinc layer thicknessmeter.
2. the preparation method of a kind of galvanized sheet zinc layer quality standard plate as claimed in claim 1 is characterized in that: scanner on appearance blanket surface at least 1500/square metres of the data of surveying.
3. the preparation method of a kind of galvanized sheet zinc layer quality standard plate as claimed in claim 1, it is characterized in that: the precision of the instrument of weighing is≤0.1 milligram, the measurement of model area is accurate to 0.1 square millimeter.
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| CN2011104439565A CN102519412A (en) | 2011-12-26 | 2011-12-26 | Preparation method of galvanized plate zinc layer quality standard plate |
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| CN2011104439565A CN102519412A (en) | 2011-12-26 | 2011-12-26 | Preparation method of galvanized plate zinc layer quality standard plate |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758345A (en) * | 2016-04-22 | 2016-07-13 | 武汉科技大学 | X-ray fluorescence imaging apparatus for on-line measurement of strip steel coating thickness |
| CN106407716A (en) * | 2016-10-20 | 2017-02-15 | 国网山东省电力公司菏泽供电公司 | Quality analysis system and method for zinc coating of steel parts |
| CN108918566A (en) * | 2018-08-06 | 2018-11-30 | 酒泉钢铁(集团)有限责任公司 | A kind of method of inspection for plating zinc-aluminum-magnesium plate coating |
| CN110686636A (en) * | 2018-07-06 | 2020-01-14 | 深南电路股份有限公司 | Method for measuring coating thickness in coating process and coating equipment |
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| CN101520450A (en) * | 2008-02-26 | 2009-09-02 | 宝山钢铁股份有限公司 | Manufacture method of zinc-iron alloy standard template |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101520450A (en) * | 2008-02-26 | 2009-09-02 | 宝山钢铁股份有限公司 | Manufacture method of zinc-iron alloy standard template |
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| 张家琪等: "《中华人民共和国国家标准 GB 24514-2009-T》", 31 January 2010 * |
| 曹瑞: "《镀锌产品锌层质量和厚度的测定方法》", 《金属制品》 * |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758345A (en) * | 2016-04-22 | 2016-07-13 | 武汉科技大学 | X-ray fluorescence imaging apparatus for on-line measurement of strip steel coating thickness |
| CN105758345B (en) * | 2016-04-22 | 2018-06-05 | 武汉科技大学 | A kind of x-ray fluorescence imaging device of on-line measurement strip coating thickness |
| CN106407716A (en) * | 2016-10-20 | 2017-02-15 | 国网山东省电力公司菏泽供电公司 | Quality analysis system and method for zinc coating of steel parts |
| CN110686636A (en) * | 2018-07-06 | 2020-01-14 | 深南电路股份有限公司 | Method for measuring coating thickness in coating process and coating equipment |
| CN108918566A (en) * | 2018-08-06 | 2018-11-30 | 酒泉钢铁(集团)有限责任公司 | A kind of method of inspection for plating zinc-aluminum-magnesium plate coating |
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Application publication date: 20120627 |