CN101985190A - Method for welding steel substrate layers of zirconium steel compound slabs - Google Patents
Method for welding steel substrate layers of zirconium steel compound slabs Download PDFInfo
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- CN101985190A CN101985190A CN 201010579499 CN201010579499A CN101985190A CN 101985190 A CN101985190 A CN 101985190A CN 201010579499 CN201010579499 CN 201010579499 CN 201010579499 A CN201010579499 A CN 201010579499A CN 101985190 A CN101985190 A CN 101985190A
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Abstract
The invention discloses a method for welding steel substrate layers of zirconium steel compound slabs, which realizes fusion welding between steel substrate layers of the zirconium steel compound slabs by adopting automatic plasma welding for bottoming and welding the covered surfaces by automatic submerged arc welding under atmospheric environment. The method is convenient in operation, has high efficiency and low cost, and is free of limitation by surrounding environments and weld joint lengths; the welding efficiency in the method is improved by over 30% as compared with the traditional welding method; and the weld joint has beautiful appearance, and obviously reduced defects such as cracks, pores, included slag, incomplete fusion, lack of penetration and the like, excellent weld joint performance, and respectively conforms to the requirements at the levels of JB/T4730.2-2005II, JB/T4730.5-2005I and JB/T4730.3-2005I by detection of 100% RT, 100% PT and 100% UT.
Description
Technical field
The invention belongs to welding technology field, be specifically related to a kind of welding method of zirconium clad steel plate base steel layer.
Background technology
In chemical field, zirconium corrosion resistance in most of organic acids and inorganic acid, strong acid, highly basic, some fused salt, reductive acid medium is fabulous.Especially obviously be better than metals such as nickel, nickel-base alloy, corrosion resisting stainless steel, titanium at decay resistance, approach tantalum.Therefore, zirconium clad steel plate equipment is increasing in the application of chemical field.
The manual argon arc welding bottoming is adopted in the welding of tradition zirconium clad steel plate base steel layer, the manual electric arc welding capping, this method is owing to be subjected to personnel, equipment, material, the influence of environment, weld seam easily cracks, pore, slag inclusion, incomplete fusion, defective such as lack of penetration, hot input quantity is excessive, the heat affected area increases, cause multiple layer and basic unit's layering, plied timber produces oxidation, even more serious is that the excessive multiple layer of zirconium that makes easily of heat input is inhaled hydrogen, causes multiple layer weld seam and heat affected area plied timber corrosion resistance sharply to reduce, even medium the short time can will answer layer weld corrosion saturating, make equipment failure.And this welding method efficient is low, and operator's labour intensity is big.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned the deficiencies in the prior art, provides a kind of easy to operate, the efficient height, and cost is low, is not subjected to the welding method of the zirconium clad steel plate base steel layer of surrounding environment, the restriction of weld seam length.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of welding method of zirconium clad steel plate base steel layer is characterized in that this method may further comprise the steps:
(1) the base steel layer groove face of zirconium clad steel plate cleared up, removed iron rust, grease and dust;
(2) the zirconium clad steel plate base steel layer after the cleaning in the step (1) is carried out the spot welding location, adopt the automatic plasma welding method to the bottoming of zirconium clad steel plate base steel layer then, the bottoming root face is 8mm; Described 8mm bottoming root face finishes for welding once, and does not add packing material when welding;
(3) adopt automatic submerged arc welding that the zirconium clad steel plate base steel layer after bottoming in the step (2) is carried out capping.
It is that 99.99% argon gas is as protecting gas that quality purity is all adopted in automatic submerged arc welding described in automatic plasma described in the above-mentioned steps (2) welding and the step (3).
The parameter of automatic plasma described in the above-mentioned steps (2) welding is: gas flow 10L/min～15L/min, and welding current 225A, arc voltage 26.5V, speed of welding 190mm/min, heat input 1.88KJ/min, polarity is for directly just.
The parameter of automatic submerged arc welding is described in the above-mentioned steps (3): gas flow 10L/min～15L/min, welding current 500A～550A, arc voltage 30V～32V, speed of welding 500mm/min～540mm/min, gage of wire 4.0mm, tungsten electrode diameter 3.0mm, nozzle diameter 20mm, polarity is straight anti-.
Automatic submerged arc welding described in the above-mentioned steps (3) adopts the steel welding wire as packing material.
The present invention compared with prior art has the following advantages:
1, the present invention adopts automatic plasma weldering bottoming under atmospheric environment, and the mode of automatic submerged arc welding capping realizes the melting welding between the zirconium clad steel plate base steel layer, and easy to operate, cost is low, not limited by surrounding environment, weld seam length.
2, welding efficiency of the present invention improves more than 30% than traditional welding method.
3, the weld seam of the present invention's welding is specious, crackle, pore, slag inclusion, incomplete fusion, defective such as lack of penetration obviously reduce, the Weld Performance excellence, detect through 100%RT, 100%PT and 100%UT, meet the requirement of JB/T4730.2-2005II level, JB/T4730.5-2005I level and JB/T4730.3-2005I level respectively.
Below in conjunction with drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is a welding schematic diagram of the present invention.
Fig. 2 is the traditional welding schematic diagram of zirconium clad steel plate base steel layer.
Description of reference numerals:
1-welds root face.
The specific embodiment
(1) the base steel layer groove face of zirconium clad steel plate cleared up, removed iron rust, grease and dust;
(2) the zirconium clad steel plate base steel layer after the cleaning in the step (1) is carried out the spot welding location, then with quality purity be 99.99% argon gas as protection gas, adopt the automatic plasma welding method that zirconium clad steel plate base steel layer is felt secure, the bottoming root face is 8mm; Described 8mm bottoming root face finishes for welding once, and does not add packing material when welding; Welding parameter is: gas flow 10L/min, and welding current 225A, arc voltage 26.5V, speed of welding 190mm/min, heat input 1.88KJ/min, polarity is for directly just.
(3) adopt quality purity be 99.99% argon gas as protection gas, the steel welding wire carries out capping with automatic submerged arc welding to the zirconium clad steel plate base steel layer after bottoming in the step (2) as packing material; The parameter of automatic submerged arc welding is: gas flow 10L/min, and welding current 500A, arc voltage 30V, speed of welding 500mm/min, gage of wire 4.0mm, tungsten electrode diameter 3.0mm, nozzle diameter 20mm, polarity is straight anti-.
The weld seam of present embodiment is specious, and crackle, pore, slag inclusion, incomplete fusion, defective such as lack of penetration obviously reduce, and welding efficiency improves more than 30% than traditional welding method.Weld seam detects through 100%RT, 100%PT and 100%UT, meets the requirement of JB/T4730.2-2005II level, JB/T4730.5-2005I level and JB/T4730.3-2005I level respectively.
Embodiment 2
(1) the base steel layer groove face of zirconium clad steel plate cleared up, removed iron rust, grease and dust;
(2) the zirconium clad steel plate base steel layer after the cleaning in the step (1) is carried out the spot welding location, then with quality purity be 99.99% argon gas as protection gas, adopt the automatic plasma welding method that zirconium clad steel plate base steel layer is felt secure, the bottoming root face is 8mm; Described 8mm bottoming root face finishes for welding once, and does not add packing material when welding; Welding parameter is: gas flow 15L/min, and welding current 225A, arc voltage 26.5V, speed of welding 190mm/min, heat input 1.88KJ/min, polarity is for directly just.
(3) adopt quality purity be 99.99% argon gas as protection gas, the steel welding wire carries out capping with automatic submerged arc welding to the zirconium clad steel plate base steel layer after bottoming in the step (2) as packing material; The parameter of automatic submerged arc welding is: gas flow 15L/min, and welding current 550A, arc voltage 32V, speed of welding 540mm/min, gage of wire 4.0mm, tungsten electrode diameter 3.0mm, nozzle diameter 20mm, polarity is straight anti-.
The weld seam of present embodiment is specious, and crackle, pore, slag inclusion, incomplete fusion, defective such as lack of penetration obviously reduce, and welding efficiency improves more than 30% than traditional welding method.Weld seam detects through 100%RT, 100%PT and 100%UT, meets the requirement of JB/T4730.2-2005II level, JB/T4730.5-2005I level and JB/T4730.3-2005I level respectively.
Embodiment 3
(1) the base steel layer groove face of zirconium clad steel plate cleared up, removed iron rust, grease and dust;
(2) the zirconium clad steel plate base steel layer after the cleaning in the step (1) is carried out the spot welding location, then with quality purity be 99.99% argon gas as protection gas, adopt the automatic plasma welding method that zirconium clad steel plate base steel layer is felt secure, the bottoming root face is 8mm; Described 8mm bottoming root face finishes for welding once, and does not add packing material when welding; Welding parameter is: gas flow 12L/min, and welding current 225A, arc voltage 26.5V, speed of welding 190mm/min, heat input 1.88KJ/min, polarity is for directly just.
(3) adopt quality purity be 99.99% argon gas as protection gas, the steel welding wire carries out capping with automatic submerged arc welding to the zirconium clad steel plate base steel layer after bottoming in the step (2) as packing material; The parameter of automatic submerged arc welding is: gas flow 12L/min, and welding current 525A, arc voltage 31V, speed of welding 520mm/min, gage of wire 4.0mm, tungsten electrode diameter 3.0mm, nozzle diameter 20mm, polarity is straight anti-.
The weld seam of present embodiment is specious, and crackle, pore, slag inclusion, incomplete fusion, defective such as lack of penetration obviously reduce, and welding efficiency improves more than 30% than traditional welding method.Weld seam detects through 100%RT, 100%PT and 100%UT, meets the requirement of JB/T4730.2-2005II level, JB/T4730.5-2005I level and JB/T4730.3-2005I level respectively.
Fig. 1 is the schematic diagram of the present invention's welding, and automatic plasma weldering bottoming is adopted at a position among the figure, and once Han Jie bottoming root face 1 can reach 8mm, and automatic submerged arc welding capping is successively all adopted at b, c, d, e position.
Fig. 2 is the schematic diagram of traditional welding, and the argon arc welding bottoming is adopted at a position among the figure, and once Han Jie welding root face 1 only can reach 2mm, and b, c, d position all adopt manual electric arc welding successively to fill, and waste time and energy, and the automatic submerged arc welding capping is adopted at e and f position.
Claims (5)
1. the welding method of a zirconium clad steel plate base steel layer is characterized in that, this method may further comprise the steps:
(1) the base steel layer groove face of zirconium clad steel plate cleared up, removed iron rust, grease and dust;
(2) the zirconium clad steel plate base steel layer after the cleaning in the step (1) is carried out the spot welding location, adopt the automatic plasma welding method to the bottoming of zirconium clad steel plate base steel layer then, the bottoming root face is 8mm; Described 8mm bottoming root face finishes for welding once, and does not add packing material when welding;
(3) adopt automatic submerged arc welding that the zirconium clad steel plate base steel layer after bottoming in the step (2) is carried out capping.
2. the welding method of a kind of zirconium clad steel plate base steel layer according to claim 1 is characterized in that, it is that 99.99% argon gas is as protecting gas that quality purity is all adopted in automatic submerged arc welding described in automatic plasma described in the step (2) welding and the step (3).
3. the welding method of a kind of zirconium clad steel plate base steel layer according to claim 1, it is characterized in that, the parameter of the welding of automatic plasma described in the step (2) is: gas flow 10L/min～15L/min, welding current 225A, arc voltage 26.5V, speed of welding 190mm/min, heat input 1.88KJ/min, polarity is for directly just.
4. the welding method of a kind of zirconium clad steel plate base steel layer according to claim 1, it is characterized in that, the parameter of automatic submerged arc welding is described in the step (3): gas flow 10L/min～15L/min, welding current 500A～550A, arc voltage 30V～32V, speed of welding 500mm/min～540mm/min, gage of wire 4.0mm, tungsten electrode diameter 3.0mm, nozzle diameter 20mm, polarity is straight anti-.
5. the welding method of a kind of zirconium clad steel plate base steel layer according to claim 1 is characterized in that, automatic submerged arc welding described in the step (3) adopts the steel welding wire as packing material.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179609A (en) * | 2011-05-17 | 2011-09-14 | 烟台台海玛努尔核电设备股份有限公司 | Submerged automatic arc welding process for nuclear power main pipeline |
| CN102218648A (en) * | 2011-06-21 | 2011-10-19 | 广州永大不锈钢有限公司 | Machining method for large caliber stainless steel pipe |
| CN102248316A (en) * | 2011-07-20 | 2011-11-23 | 鲁西工业装备有限公司 | Stainless steel welding process |
| CN102500886A (en) * | 2011-11-11 | 2012-06-20 | 南京德邦金属装备工程有限公司 | High-strength nickel-iron-chromium alloy and chromium-nickel stainless steel plate welding method and application to preparation of polysilicon cold hydrogenation reactors |
| CN102528304A (en) * | 2011-11-30 | 2012-07-04 | 浙江博凡动力装备有限公司 | Plate butt welding method and welding groove |
| CN103785962A (en) * | 2014-01-17 | 2014-05-14 | 南京理工大学 | Full penetration welding method for titanium-steel composite board |
| CN104827241A (en) * | 2014-02-12 | 2015-08-12 | 上海却尘科技有限公司 | Manufacturing method of blanks for producing steel-zirconium composite boards |
| CN106077951A (en) * | 2016-06-30 | 2016-11-09 | 上海交通大学 | Control the method that nickel-base alloy multilamellar wire filling laser welding beat-affected zone crack is formed |
| CN108057943A (en) * | 2017-12-20 | 2018-05-22 | 鲁西工业装备有限公司 | A kind of automatic submerged-arc welding method of Langaloy and low-alloy steel |
| CN108127276A (en) * | 2017-12-20 | 2018-06-08 | 鲁西工业装备有限公司 | A kind of welding method of zircaloy pressure vessel |
| CN108724893A (en) * | 2017-05-15 | 2018-11-02 | 哈尔滨工程大学 | A kind of preparation method of zirconium clad steel plate |
| CN108724894A (en) * | 2017-05-15 | 2018-11-02 | 哈尔滨工程大学 | A method of it doing middle layer using copper and prepares zirconium clad steel plate |
| CN110682020A (en) * | 2019-11-07 | 2020-01-14 | 沈阳工业大学 | Titanium-iron-stainless steel three-layer composite board butt welding process method |
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Cited By (20)
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|---|---|---|---|---|
| CN102179609A (en) * | 2011-05-17 | 2011-09-14 | 烟台台海玛努尔核电设备股份有限公司 | Submerged automatic arc welding process for nuclear power main pipeline |
| CN102218648A (en) * | 2011-06-21 | 2011-10-19 | 广州永大不锈钢有限公司 | Machining method for large caliber stainless steel pipe |
| CN102218648B (en) * | 2011-06-21 | 2013-04-10 | 广州永大不锈钢有限公司 | Machining method for large caliber stainless steel pipe |
| CN102248316A (en) * | 2011-07-20 | 2011-11-23 | 鲁西工业装备有限公司 | Stainless steel welding process |
| CN102248316B (en) * | 2011-07-20 | 2013-04-17 | 鲁西工业装备有限公司 | Stainless steel welding process |
| CN102500886A (en) * | 2011-11-11 | 2012-06-20 | 南京德邦金属装备工程有限公司 | High-strength nickel-iron-chromium alloy and chromium-nickel stainless steel plate welding method and application to preparation of polysilicon cold hydrogenation reactors |
| CN102528304B (en) * | 2011-11-30 | 2014-12-10 | 浙江博凡动力装备股份有限公司 | Plate butt welding method and welding groove |
| CN102528304A (en) * | 2011-11-30 | 2012-07-04 | 浙江博凡动力装备有限公司 | Plate butt welding method and welding groove |
| CN103785962B (en) * | 2014-01-17 | 2016-03-02 | 南京理工大学 | A kind of titanium-steel composite board full impregnated welding method |
| CN103785962A (en) * | 2014-01-17 | 2014-05-14 | 南京理工大学 | Full penetration welding method for titanium-steel composite board |
| CN104827241A (en) * | 2014-02-12 | 2015-08-12 | 上海却尘科技有限公司 | Manufacturing method of blanks for producing steel-zirconium composite boards |
| CN106077951A (en) * | 2016-06-30 | 2016-11-09 | 上海交通大学 | Control the method that nickel-base alloy multilamellar wire filling laser welding beat-affected zone crack is formed |
| CN108724893A (en) * | 2017-05-15 | 2018-11-02 | 哈尔滨工程大学 | A kind of preparation method of zirconium clad steel plate |
| CN108724894A (en) * | 2017-05-15 | 2018-11-02 | 哈尔滨工程大学 | A method of it doing middle layer using copper and prepares zirconium clad steel plate |
| CN108724894B (en) * | 2017-05-15 | 2020-04-10 | 哈尔滨工程大学 | Method for preparing zirconium steel composite board by using copper as intermediate layer |
| CN108724893B (en) * | 2017-05-15 | 2020-04-10 | 哈尔滨工程大学 | Preparation method of zirconium steel composite board |
| CN108057943A (en) * | 2017-12-20 | 2018-05-22 | 鲁西工业装备有限公司 | A kind of automatic submerged-arc welding method of Langaloy and low-alloy steel |
| CN108127276A (en) * | 2017-12-20 | 2018-06-08 | 鲁西工业装备有限公司 | A kind of welding method of zircaloy pressure vessel |
| CN108127276B (en) * | 2017-12-20 | 2020-11-03 | 鲁西工业装备有限公司 | Welding method of zirconium alloy pressure container |
| CN110682020A (en) * | 2019-11-07 | 2020-01-14 | 沈阳工业大学 | Titanium-iron-stainless steel three-layer composite board butt welding process method |
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