CN101947719A - Production process for Corten steel pipes - Google Patents
Production process for Corten steel pipes Download PDFInfo
- Publication number
- CN101947719A CN101947719A CN 201010284199 CN201010284199A CN101947719A CN 101947719 A CN101947719 A CN 101947719A CN 201010284199 CN201010284199 CN 201010284199 CN 201010284199 A CN201010284199 A CN 201010284199A CN 101947719 A CN101947719 A CN 101947719A
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- China
- Prior art keywords
- steel
- grinding tool
- welding machine
- steel pipes
- pipe
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- Pending
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 229910000870 Weathering steel Inorganic materials 0.000 title abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 238000003466 welding Methods 0.000 claims abstract description 25
- 238000005516 engineering process Methods 0.000 claims abstract description 12
- 238000005498 polishing Methods 0.000 claims abstract description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 16
- 229910052786 argon Inorganic materials 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 8
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 4
- 239000002861 polymer material Substances 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 abstract 1
- 238000003801 milling Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910017888 Cu—P Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Arc Welding In General (AREA)
Abstract
The invention discloses a production process for Corten steel pipes, which is characterized by comprising the following steps of: performing forming and welding processes, and thermally rounding and straightening by adopting abrasive tools, wherein the surface accuracy of the abrasive tools is 0.8 and the radian between groups of abrasive tools is uniform; and after abrading, performing cutting, end milling and polishing to obtain a finished product Corten steel pipe. The reasonable processing technology is adopted, and the conventional flowing state of fluid passing through a pipe wall is changed, so the fluid retention area of the fluid is fully reduced, the corrosion and scaling degrees are reduced, and the better heat transfer effect and longer service life of the steel pipes are realized. Moreover, the Corten steel pipes produced by the process have the characteristics of high cooling speed, good cooling effect, low cost, high bearing capacity and the like, and can realize new leap in the aspects of environmental protection and energy conservation and consumption reduction.
Description
Technical field
The present invention relates to a kind of production technology of steel pipe, particularly a kind of production technology of stepping on steel pipe of examining.
Background technology
Examine and step on steel and have another name called the Corten steel, divide two big classes: Corten A, CortenB are the representative steel grades of U.S. Cu-P Series Steel, belong to low-alloy high-strength air corrosion-resistant structural steel, the domestic weathering steel that is called.Examining and stepping on steel is a kind of novel corrosion resistant, resistant to elevated temperatures anti-corrosion class steel, and its corrosion resistance and toughness are than eager to excel in whatever one does many of stainless steel.Product (outward appearance) smooth and beautiful appearance that becomes second nature particularly is used widely on many equipment of industries such as electric power, metallurgy, chemical industry with tubing of its solid molten all size.
In the past, each big or small Water of Power Plant cooling device of the whole nation all adopts common steel pipe.Major accidents such as dielectric leakage, tubing heavy corrosion even perforation appear through regular meeting in the utilization and operation process of equipment; thereby cause the whole water cooling equipment must not on-line maintenance; have a strong impact on the operating position of entire equipment, brought serious economy loss for each big small power plant.
Summary of the invention
Technical problem to be solved by this invention is at the deficiencies in the prior art, provide a kind of technology reasonable, workable, have a production technology that examining of better heat-transfer effect, long service life stepped on steel pipe.
Technical problem to be solved by this invention is to realize by following technical scheme.The present invention is a kind of production technology of stepping on steel pipe of examining, and is characterized in that its step is as follows:
(1) moulding: raw steel by the technological requirement itemize, is guaranteed that moulding pipe diameter deviation is less than ± 0.1mm; The steel band that forms behind the itemize carries out the abrasionproof protection and winches on the welded tube mill discharging frame, and discharging frame is a universal type, and its parts that contact with steel band all adopt supra polymer material parcel; Steel band is located, and introduce in the tuber limit clamp, utilize 6 groups of preceding steel alloy grinding tools of welding machine to carry out one-step forming just, the grinding tool surface accuracy is 0.8, radian between every group of grinding tool is even, circular state during to the 6th group, and its gap is 0.2-0.5mm, the tuber rotating speed is 100-300r/min, makes pipe;
(2) welding: adopt argon arc welding machine to carry out high speed butt welding, the argon arc welding machine electric current is 100-600A, and motor speed is 100-150r/min, makes the weld bond fusing point fully from merging;
(3) finished product: adopt grinding tool to carry out hot school circle, alignment behind the welding machine, described grinding tool surface accuracy is 0.8, and the radian between every group of grinding tool is even; Cut after the polishing, end mill and polishing, get product to examine and step on steel pipe.
Compared with prior art, the present invention adopts reasonable process technology, changes the conventional flow regime of fluid through tube wall, fully reduces the fluid retention zone, reduces corrosion and fouling degree, the heat-transfer effect that the realization steel pipe is better and the prolongation in service life.And the examining of explained hereafter of the present invention stepped on steel pipe and had that cooling velocity is fast, good cooling results, with low cost, characteristics such as bearing capacity is strong, environmental protection and energy-saving and cost-reducing aspect can realize new leap.
The specific embodiment
Below further describe concrete technical scheme of the present invention,, and do not constitute restriction its right so that those skilled in the art understands the present invention further.
Embodiment 1.A kind of production technology of stepping on steel pipe of examining, its step is as follows:
(1) moulding: raw steel by the technological requirement itemize, is guaranteed that moulding pipe diameter deviation is less than ± 0.1mm; The steel band that forms behind the itemize carries out the abrasionproof protection and winches on the welded tube mill discharging frame, and discharging frame is a universal type, and its parts that contact with steel band all adopt supra polymer material parcel; With the steel band location, and introduce in the tuber limit clamp, utilize 6 groups of preceding steel alloy grinding tools of welding machine to carry out one-step forming just, the grinding tool surface accuracy is 0.8, and the radian between every group of grinding tool is even, circular state during to the 6th group, its gap is 0.2mm, and the tuber rotating speed is 100r/min, makes pipe;
(2) welding: adopt argon arc welding machine to carry out high speed butt welding, the argon arc welding machine electric current is 100A, and motor speed is 100r/min, makes the weld bond fusing point fully from merging;
(3) finished product: adopt grinding tool to carry out hot school circle, alignment behind the welding machine, described grinding tool surface accuracy is 0.8, and the radian between every group of grinding tool is even; Cut after the polishing, end mill and polishing, get product to examine and step on steel pipe.
Embodiment 2.A kind of production technology of stepping on steel pipe of examining, its step is as follows:
(1) moulding: raw steel by the technological requirement itemize, is guaranteed that moulding pipe diameter deviation is less than ± 0.1mm; The steel band that forms behind the itemize carries out the abrasionproof protection and winches on the welded tube mill discharging frame, and discharging frame is a universal type, and its parts that contact with steel band all adopt supra polymer material parcel; With the steel band location, and introduce in the tuber limit clamp, utilize 6 groups of preceding steel alloy grinding tools of welding machine to carry out one-step forming just, the grinding tool surface accuracy is 0.8, and the radian between every group of grinding tool is even, circular state during to the 6th group, its gap is 0.5mm, and the tuber rotating speed is 300r/min, makes pipe;
(2) welding: adopt argon arc welding machine to carry out high speed butt welding, the argon arc welding machine electric current is 600A, and motor speed is 150r/min, makes the weld bond fusing point fully from merging;
(3) finished product: adopt grinding tool to carry out hot school circle, alignment behind the welding machine, described grinding tool surface accuracy is 0.8, and the radian between every group of grinding tool is even; Cut after the polishing, end mill and polishing, get product to examine and step on steel pipe.
Claims (1)
1. examine the production technology of stepping on steel pipe for one kind, it is characterized in that, its step is as follows:
(1) moulding: raw steel by the technological requirement itemize, is guaranteed that moulding pipe diameter deviation is less than ± 0.1mm; The steel band that forms behind the itemize carries out the abrasionproof protection and winches on the welded tube mill discharging frame, and discharging frame is a universal type, and its parts that contact with steel band all adopt supra polymer material parcel; Steel band is located, and introduce in the tuber limit clamp, utilize 6 groups of preceding steel alloy grinding tools of welding machine to carry out one-step forming just, the grinding tool surface accuracy is 0.8, radian between every group of grinding tool is even, circular state during to the 6th group, and its gap is 0.2-0.5mm, the tuber rotating speed is 100-300r/min, makes pipe;
(2) welding: adopt argon arc welding machine to carry out high speed butt welding, the argon arc welding machine electric current is 100-600A, and motor speed is 100-150r/min, makes the weld bond fusing point fully from merging;
(3) finished product: adopt grinding tool to carry out hot school circle, alignment behind the welding machine, described grinding tool surface accuracy is 0.8, and the radian between every group of grinding tool is even; Cut after the polishing, end mill and polishing, get product to examine and step on steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010284199 CN101947719A (en) | 2010-09-17 | 2010-09-17 | Production process for Corten steel pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010284199 CN101947719A (en) | 2010-09-17 | 2010-09-17 | Production process for Corten steel pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101947719A true CN101947719A (en) | 2011-01-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010284199 Pending CN101947719A (en) | 2010-09-17 | 2010-09-17 | Production process for Corten steel pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101947719A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307367A (en) * | 2013-06-05 | 2013-09-18 | 南通耀龙金属制造有限公司 | Stainless steel drinking water pipeline and manufacturing method thereof |
| CN105903781A (en) * | 2016-04-20 | 2016-08-31 | 东莞璋泰五金制品有限公司 | Processing method for high-precision cold-rolled steel pipes |
| CN108274318A (en) * | 2018-01-29 | 2018-07-13 | 无锡杰森表面处理设备有限公司 | Has the strip polishing machine of cutting stock function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2186610Y (en) * | 1994-03-19 | 1995-01-04 | 贺鸿恩 | Pipe welding machine |
| JP2006207579A (en) * | 2001-04-17 | 2006-08-10 | United Technol Corp <Utc> | Manufacturing method for blade integrated type rotor |
| CN1864917A (en) * | 2005-05-18 | 2006-11-22 | 上海申花钢管有限公司 | Method for manufacturing high-strength structured steel pipe |
| US20080145235A1 (en) * | 2006-12-18 | 2008-06-19 | United Technologies Corporation | Airfoil cooling with staggered refractory metal core microcircuits |
-
2010
- 2010-09-17 CN CN 201010284199 patent/CN101947719A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2186610Y (en) * | 1994-03-19 | 1995-01-04 | 贺鸿恩 | Pipe welding machine |
| JP2006207579A (en) * | 2001-04-17 | 2006-08-10 | United Technol Corp <Utc> | Manufacturing method for blade integrated type rotor |
| CN1864917A (en) * | 2005-05-18 | 2006-11-22 | 上海申花钢管有限公司 | Method for manufacturing high-strength structured steel pipe |
| US20080145235A1 (en) * | 2006-12-18 | 2008-06-19 | United Technologies Corporation | Airfoil cooling with staggered refractory metal core microcircuits |
Non-Patent Citations (5)
| Title |
|---|
| 《江西冶金》 19971030 陈连龙等 焊接钢管生产 第17卷, 第05期 2 * |
| 《焊管》 20021130 刘东明 phi340mm高精度HFW钢管生产工艺布局和设备选择 第25卷, 第06期 2 * |
| 《现代涂料与涂装》 20060831 宗少彬等 埋地钢管外防腐复合涂层的生产工艺 , 第08期 2 * |
| 《轧钢》 20000831 牟文恒等 高强度耐候焊接钢管的研究与开发 第17卷, 第04期 2 * |
| 《钢管》 20000228 高兴江等 中低压锅炉及热交换器用不锈钢焊接钢管生产工艺技术的开发 第29卷, 第01期 2 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307367A (en) * | 2013-06-05 | 2013-09-18 | 南通耀龙金属制造有限公司 | Stainless steel drinking water pipeline and manufacturing method thereof |
| CN105903781A (en) * | 2016-04-20 | 2016-08-31 | 东莞璋泰五金制品有限公司 | Processing method for high-precision cold-rolled steel pipes |
| CN108274318A (en) * | 2018-01-29 | 2018-07-13 | 无锡杰森表面处理设备有限公司 | Has the strip polishing machine of cutting stock function |
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Open date: 20110119 |