CN102922100A - Welding method of stainless steel rectangular air pipe - Google Patents
Welding method of stainless steel rectangular air pipe Download PDFInfo
- Publication number
- CN102922100A CN102922100A CN2012104698935A CN201210469893A CN102922100A CN 102922100 A CN102922100 A CN 102922100A CN 2012104698935 A CN2012104698935 A CN 2012104698935A CN 201210469893 A CN201210469893 A CN 201210469893A CN 102922100 A CN102922100 A CN 102922100A
- Authority
- CN
- China
- Prior art keywords
- welding
- stainless steel
- airduct
- welding method
- steel rectangular
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003466 welding Methods 0.000 title claims abstract description 60
- 239000010935 stainless steel Substances 0.000 title claims abstract description 27
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 16
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052786 argon Inorganic materials 0.000 claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- 239000002253 acid Substances 0.000 claims description 10
- 238000002161 passivation Methods 0.000 claims description 10
- 230000007797 corrosion Effects 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000006071 cream Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000009740 moulding (composite fabrication) Methods 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000000779 smoke Substances 0.000 abstract description 2
- 239000000428 dust Substances 0.000 abstract 1
- 238000005554 pickling Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to a welding method of a stainless steel rectangular air pipe and belongs to the technical field of air exhaust, dust removal and oil-smoke exhaust pipelines. The welding method comprises the following steps: sleeving assembled two stainless steel plates by using a manufactured reinforcing frame, fixing by using a fixture and carrying out longitudinal argon arc welding; putting the two sections of formed stainless steel air pipe on a fixture table, fixing the stainless steel air pipe by using the fixture and then carrying out transverse argon arc welding; and finally pickling, passivating and cleaning. The welding method has the beneficial effects that no oil leakage exists, the labor efficiency and the quality are improved, and the labor cost and the raw materials are saved.
Description
Technical field:
The present invention relates to the welding method of stainless steel rectangular airduct, belong to air draft, dedusting, oil-smoke expulsion pipe technical field.
Background technology:
The material cost that steel flange connects technique is high, and one section airduct needs three angle steel flanges, and pad needs the oil resistant impervious, and all longitudinal seams must be played the glue sealing; Processing quality is difficult to guarantee, flange connections gasket seal face and the frequent leakage of oil of airduct longitudinal seam, and it is limited that small bore airduct longitudinal seam is beaten the fluid sealant operating space, can't guarantee its quality; Make the associating nip machine of airduct and damage easily, stainless steel hardness is large, and associating nip machine strength of gear is excessive, and the life-span reduces greatly, and 1.0mm is thick can't make with upcast ventilation pipe associating nip machine; Efficiency is low, and the manufacturing artificial cost exceeds 30% than common galvanized steel plain sheet.
Summary of the invention:
In order to overcome above-mentioned problems of the prior art, the invention provides the welding method of stainless steel rectangular airduct, its concrete scheme is: two corrosion resistant plate groups to well putting with the reinforcing frame of having made afterwards, are fixed with anchor clamps, carry out vertical argon arc welding welding; The stainless steel airduct of two joint formings is placed on the clamping fixture table, after being fixed with anchor clamps, carries out again horizontal argon arc welding welding; Carry out at last the acid wash passivation cleaning.
The welding wire of described argon arc welding adopts identical material with stainless steel materials; The welding wire specification adopts Φ 1.0-2.0mm.The tungsten electrode diameter is 1.0-1.6mm, and the argon arc welding electric current is 2-15A, and argon pressure is 0.3-0.5MPa, and flow is 2-14L/min.
Welded corner joint is adopted in vertical welding of described stainless steel rectangular pipe, welds from the middle reverse segmentation in past two during welding; Group to the time first with airduct spot welding, weld again after being fixed with anchor clamps; Carry out first the flange of 15mm during transverse weld, adopt the form of flange butt welding; Vertically welding and transverse weld all are the modes of continuous welding.
The described stainless steel angle steel reinforced that has packaged is frameed shift to the horizontal flange junction of every joint airduct, clips with anchor clamps and flange, intermittently welds every 15mm.
Described stainless steel rectangular connects method and selects thickness to be not less than 1.0mm corrosion resistant plate (general using airduct cutting residue leftover pieces), be connected with discontinuous welding between the airduct, the employing perpendicular type is reinforced, and reinforces the transversely strengthening permission maximum spacing that rigidity is determined airduct according to rectangular air duct.
The cleaning of described acid wash passivation is that butt welded seam and airduct surface are cleared up, namely first wipe oil and welding slag and splash, then use acid wash passivation cream acid wash passivation, rinse well with clear water again.
The invention has the beneficial effects as follows and raise labour efficiency without leakage of oil, promote quality, save labour turnover and raw material.
The specific embodiment
According to the airduct specification, preferentially width is generally the 1250mm corrosion resistant plate and is divided into two blankings, according to the flange size of 15mm, need flange to fold at folding side's machine in airduct transverse weld place first; The employed stainless steel angle steel of airduct reinforcing frame is according to the specification of airduct, electric welding.
With two corrosion resistant plate groups behind the lower honest material to good, on the reinforcing frame that will make before welding is enclosed within and organizes good airduct, fix with anchor clamps, carry out vertical welding of airduct with the fillet welding form, for being heated with making the airduct even weld and cooling off, to reduce distortion, weld from the middle reverse segmentation in past two during welding; Group to the time first with airduct spot welding, weld again after being fixed with anchor clamps, the high temperature that forms during welding, the contraction distortion that produces in cooling procedure is overcome by anchor clamps, reaches to prevent the purpose of being out of shape; During the airduct transverse weld, the airducts of two joint formings are placed on the clamping fixture table, after being fixed with anchor clamps, adopt the form of flange butt welding in the position of flange; The stainless steel angle steel reinforced that has packaged is frameed shift to the horizontal flange junction of every joint airduct, clip with anchor clamps and flange, with butt welding place of the horizontal flange of airduct and the welding of stainless steel reinforcing frame, intermittently weld every 15mm; Select thickness to be not less than 1.0mm corrosion resistant plate (general using airduct cutting residue leftover pieces), and be welded to connect between the airduct, adopt perpendicular type to reinforce, reinforce the transversely strengthening permission maximum spacing that rigidity is determined airduct according to rectangular air duct.
After the welding, answer butt welded seam and airduct surface to clear up, namely first wipe oil and welding slag and splash, then use acid wash passivation cream acid wash passivation, rinse well with clear water again.
Claims (6)
1. the welding method of stainless steel rectangular airduct is characterized in that: two corrosion resistant plate groups to well putting with the reinforcing frame of having made afterwards, are fixed with anchor clamps, carry out vertical argon arc welding welding; The stainless steel airduct of two joint formings is placed on the clamping fixture table, after being fixed with anchor clamps, carries out again horizontal argon arc welding welding; Carry out at last the acid wash passivation cleaning.
2. the welding method of stainless steel rectangular airduct according to claim 1 is characterized in that: the identical material with stainless steel materials of welding wire employing of described argon arc welding; The welding wire specification adopts Φ 1.0-2.0mm.The tungsten electrode diameter is 1.0-1.6mm, and the argon arc welding electric current is 2-15A, and argon pressure is 0.3-0.5MPa, and flow is 2-14L/min.
3. the welding method of stainless steel rectangular pipe according to claim 1 is characterized in that: vertical welding employing welded corner joint of described stainless steel rectangular pipe, the reverse segmentation welding from the centre toward two during welding; Group to the time first with airduct spot welding, weld again after being fixed with anchor clamps; Carry out first the flange of 15mm during transverse weld, adopt the form of flange butt welding; Vertically welding and transverse weld all are the modes of continuous welding.
4. the welding method of stainless steel rectangular pipe according to claim 1, it is characterized in that: the described stainless steel angle steel reinforced that has packaged is frameed shift to the horizontal flange junction of every joint airduct, clips with anchor clamps and flange, intermittently welds every 100-120mm.
5. the welding method of stainless steel rectangular pipe according to claim 1, it is characterized in that: select thickness to be not less than 1.0mm corrosion resistant plate (general using airduct cutting residue leftover pieces), be connected with discontinuous welding between the airduct, the employing perpendicular type is reinforced, and reinforces the transversely strengthening permission maximum spacing that rigidity is determined airduct according to rectangular air duct.
6. the welding method of stainless steel rectangular pipe according to claim 1, it is characterized in that: described acid wash passivation cleaning is that butt welded seam and airduct surface are cleared up, be first wipe oil and welding slag and splash, then use acid wash passivation cream acid wash passivation, rinse well with clear water again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104698935A CN102922100A (en) | 2012-11-19 | 2012-11-19 | Welding method of stainless steel rectangular air pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104698935A CN102922100A (en) | 2012-11-19 | 2012-11-19 | Welding method of stainless steel rectangular air pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102922100A true CN102922100A (en) | 2013-02-13 |
Family
ID=47637103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104698935A Pending CN102922100A (en) | 2012-11-19 | 2012-11-19 | Welding method of stainless steel rectangular air pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102922100A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103523415A (en) * | 2013-10-23 | 2014-01-22 | 昆山市盛兴设备安装有限公司 | Sealing barrel |
| CN103737186A (en) * | 2014-01-08 | 2014-04-23 | 中山市公路钢结构制造有限公司 | Method for welding joints in two ends of rectangular pipe |
| CN104633302A (en) * | 2014-12-05 | 2015-05-20 | 广东省建筑工程集团有限公司 | Assembling method of neutron-irradiation-prevention involved-exhausting air pipe assembly |
| CN107965624A (en) * | 2017-11-22 | 2018-04-27 | 广州正德工业工程技术有限公司 | Lithium battery film applicator air hose prepares and mounting process |
| CN108436397A (en) * | 2018-05-07 | 2018-08-24 | 五冶集团上海有限公司 | A kind of production method of stainless steel gutter |
| CN108544057A (en) * | 2018-04-11 | 2018-09-18 | 江阴市光科真空机械有限公司 | The welding procedure of ion implantation technology cavity |
| CN109366054A (en) * | 2018-10-08 | 2019-02-22 | 安徽鸿路钢结构(集团)股份有限公司 | A kind of square tube pipe nipple column robot welding process |
| CN110802309A (en) * | 2019-09-30 | 2020-02-18 | 天津奥特浦斯机电设备有限公司 | Carbon steel welding air pipe product production management system based on BIM |
| CN110814640A (en) * | 2019-09-30 | 2020-02-21 | 天津奥特浦斯机电设备有限公司 | Stainless steel welding air pipe product production management system based on BIM |
| CN115319243A (en) * | 2022-08-23 | 2022-11-11 | 绵阳炬交能源科技有限公司 | An integral manufacturing method of a large-scale laser amplifier stainless steel clean box |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05115975A (en) * | 1991-10-23 | 1993-05-14 | Mitsubishi Heavy Ind Ltd | Stainless steel plate butt joint welding method |
| JPH08281429A (en) * | 1995-04-17 | 1996-10-29 | Daido Steel Co Ltd | Method for fillet-welding stainless steel and manufacture of stainless steel shapes |
| CN101642841A (en) * | 2009-08-25 | 2010-02-10 | 江苏沪宁钢机股份有限公司 | Manufacturing method of double-twist box-shaped bent member |
| CN101664853A (en) * | 2009-10-12 | 2010-03-10 | 上海交通大学 | Angle welding method of stainless steel sheet on basis of image processing |
| CN102225487A (en) * | 2011-06-03 | 2011-10-26 | 唐山三友集团兴达化纤有限公司 | Welding method for manufacturing jet pump by using ultra-low carbon austenitic stainless steel |
| CN102407425A (en) * | 2010-09-26 | 2012-04-11 | 上海月月潮钢管制造有限公司 | Manufacturing method of marine steel ventilation steel pipe |
| CN102500906A (en) * | 2011-11-04 | 2012-06-20 | 中国科学院金属研究所 | Method for welding heterogeneous austenitic stainless steel plates |
| CN102500890A (en) * | 2011-10-14 | 2012-06-20 | 河北首钢燕郊机械有限责任公司 | Welding method of carbon steel thin-plate box |
-
2012
- 2012-11-19 CN CN2012104698935A patent/CN102922100A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05115975A (en) * | 1991-10-23 | 1993-05-14 | Mitsubishi Heavy Ind Ltd | Stainless steel plate butt joint welding method |
| JPH08281429A (en) * | 1995-04-17 | 1996-10-29 | Daido Steel Co Ltd | Method for fillet-welding stainless steel and manufacture of stainless steel shapes |
| CN101642841A (en) * | 2009-08-25 | 2010-02-10 | 江苏沪宁钢机股份有限公司 | Manufacturing method of double-twist box-shaped bent member |
| CN101664853A (en) * | 2009-10-12 | 2010-03-10 | 上海交通大学 | Angle welding method of stainless steel sheet on basis of image processing |
| CN102407425A (en) * | 2010-09-26 | 2012-04-11 | 上海月月潮钢管制造有限公司 | Manufacturing method of marine steel ventilation steel pipe |
| CN102225487A (en) * | 2011-06-03 | 2011-10-26 | 唐山三友集团兴达化纤有限公司 | Welding method for manufacturing jet pump by using ultra-low carbon austenitic stainless steel |
| CN102500890A (en) * | 2011-10-14 | 2012-06-20 | 河北首钢燕郊机械有限责任公司 | Welding method of carbon steel thin-plate box |
| CN102500906A (en) * | 2011-11-04 | 2012-06-20 | 中国科学院金属研究所 | Method for welding heterogeneous austenitic stainless steel plates |
Non-Patent Citations (1)
| Title |
|---|
| 谢文正等: "不锈钢风管自动焊接工艺与设备应用", 《科技创新导报》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103523415A (en) * | 2013-10-23 | 2014-01-22 | 昆山市盛兴设备安装有限公司 | Sealing barrel |
| CN103737186A (en) * | 2014-01-08 | 2014-04-23 | 中山市公路钢结构制造有限公司 | Method for welding joints in two ends of rectangular pipe |
| CN103737186B (en) * | 2014-01-08 | 2016-04-13 | 中山市公路钢结构制造有限公司 | A kind of method at rectangular tube two ends interior weld joint |
| CN104633302A (en) * | 2014-12-05 | 2015-05-20 | 广东省建筑工程集团有限公司 | Assembling method of neutron-irradiation-prevention involved-exhausting air pipe assembly |
| CN107965624A (en) * | 2017-11-22 | 2018-04-27 | 广州正德工业工程技术有限公司 | Lithium battery film applicator air hose prepares and mounting process |
| CN108544057A (en) * | 2018-04-11 | 2018-09-18 | 江阴市光科真空机械有限公司 | The welding procedure of ion implantation technology cavity |
| CN108436397A (en) * | 2018-05-07 | 2018-08-24 | 五冶集团上海有限公司 | A kind of production method of stainless steel gutter |
| CN109366054A (en) * | 2018-10-08 | 2019-02-22 | 安徽鸿路钢结构(集团)股份有限公司 | A kind of square tube pipe nipple column robot welding process |
| CN110802309A (en) * | 2019-09-30 | 2020-02-18 | 天津奥特浦斯机电设备有限公司 | Carbon steel welding air pipe product production management system based on BIM |
| CN110814640A (en) * | 2019-09-30 | 2020-02-21 | 天津奥特浦斯机电设备有限公司 | Stainless steel welding air pipe product production management system based on BIM |
| CN115319243A (en) * | 2022-08-23 | 2022-11-11 | 绵阳炬交能源科技有限公司 | An integral manufacturing method of a large-scale laser amplifier stainless steel clean box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102922100A (en) | Welding method of stainless steel rectangular air pipe | |
| CN101691978B (en) | Aluminum Alloy Honeycomb Evaporation Plate and Its Processing and Forming Method | |
| CN108971710B (en) | Connecting and processing technology of tube and tube plate | |
| CN102019481B (en) | Plain butt welding process for high-strength hull structural steel | |
| CN104801839B (en) | The welding procedure of austenitic stainless steel and chrome molybdenum heat resisting steel | |
| CN103418886B (en) | Technology for welding carbon steel overlaying welding layer of tube plate of high pressure heat exchanger with low carbon steel tube in sealing way | |
| CN101811214A (en) | Slab welding process | |
| CN101607342A (en) | A kind of submerged arc welding method of plank boards and jointing boards | |
| CN105312742A (en) | Welding technology | |
| CN107695509A (en) | Titanium steel composite pipe welding method based on agitating friction weldering/melting welding Combined Welding | |
| CN103264210B (en) | The argon arc restorative procedure of aluminum plate-fin heat exchanger vacuum brazing core body local leakage | |
| CN101691976A (en) | Aluminum alloy snakelike flow channel evaporation plate and processing molding method thereof | |
| CN101691962A (en) | Magnesium alloy plate type heat exchanger and processing molding method thereof | |
| CN108500429A (en) | A kind of welding method of composite bimetal pipe | |
| CN102615392A (en) | Welding groove process of mechanical bimetallic composite marine pipe | |
| CN103567710B (en) | The preparation technology of stainless steel water tank | |
| CN102297613A (en) | Header pressure-bearing heat exchanger | |
| CN100569426C (en) | A kind of welding method of stainless steel clad steel pipe | |
| CN215803633U (en) | A kind of steel chimney pure titanium plate anti-corrosion device | |
| CN105547005A (en) | Large-size thin-wall connector butt welding structure and method | |
| CN204268505U (en) | Plate air preheater | |
| CN202177324U (en) | Header bearing type heat exchanger | |
| CN103962738A (en) | Steel stack anti-corrosion composite lining | |
| CN214579582U (en) | Heat-preservation crossing three-way pipe | |
| CN105458538A (en) | Welding process for steel pipe and flange |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130213 |
|
| WD01 | Invention patent application deemed withdrawn after publication |