CN108544061A - A kind of Ni-based eccentric band steel is composed and laid out welder and welding procedure - Google Patents
A kind of Ni-based eccentric band steel is composed and laid out welder and welding procedure Download PDFInfo
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- CN108544061A CN108544061A CN201810274658.XA CN201810274658A CN108544061A CN 108544061 A CN108544061 A CN 108544061A CN 201810274658 A CN201810274658 A CN 201810274658A CN 108544061 A CN108544061 A CN 108544061A
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- welding
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/0026—Arc welding or cutting specially adapted for particular articles or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
Abstract
It composes and lay out welder the invention discloses a kind of Ni-based eccentric band steel, which is characterized in that including clamping tooling, be equipped in clamping tooling with pipe way every setting and the fixing tool below band steel.A kind of welding procedure for welder of being composed and laid out using Ni-based eccentric band steel, which is characterized in that include the following steps：Welding material prepares：The plate-like welding wire and welding rod being mutually matched with pipe and band steel are selected according to the wall thickness of pipe；Welding equipment prepares：Select the gas shield welding power supply and hand arc welding machine of solderable nickel-base material；In welding：Welding is combined using manual electric arc welding plus semi-automatic flux-cored arc welding；Control welding sequence：Workpiece is symmetrically segmented by fusion length direction, is needed when welding using welding sequence that is symmetrical to both sides from centre, intersecting, to ensure to reduce welding deformation.Assembly tooling, welding material and welding sequence provided by the invention are taken, weld cracking is can effectively prevent.
Description
Technical field
It composes and lay out welder and welding procedure the present invention relates to a kind of Ni-based eccentric band steel, belongs to gasification furnace internals processing technology
Field.
Background technology
The structure of the demi-mini of current gasification furnace internals is using Ni-based Ω formed pipes using the process splicing of plasma weldering
At the re-compacted molding of the form of tube panel.Since Ω pipes belong to specially-shaped pipe, Ni-based Ω formed pipes manufacture difficulty is big, buying at
This is quite high.It is domestic to be still in the development stage, import can only be relied on, the cost of raw material is high, and delivery cycle is long.Ni-based Ω formed pipes
Splicing is the external special-purpose machinery soldering equipment introduced with Plasma Welding equipment, and equipment cost is high.Foreign-made factory is carrying out nickel
In the sub- biasing heart band steel submerged arc welding experiment of base tube, there are problems that weld cracking.
Invention content
The technical problem to be solved by the present invention is to：Providing a kind of prevents from the Ni-based eccentric band steel of weld cracking from composing and laying out being welded
It sets and welding procedure, solves in the experiment for replacing Ω pipes using Ni-based pipe biasing heart band steel submerged arc welding, there are weld seams
The problem of cracking.
In order to solve the above-mentioned technical problem, it composes and lay out and is welded the technical solution of the present invention is to provide a kind of Ni-based eccentric band steel
It sets, which is characterized in that including clamping tooling, be equipped in clamping tooling with pipe way every setting and the regular worker below band steel
Dress.
Preferably, the clamping tooling includes the support plate of two " 7 " fonts being oppositely arranged, and the top of support plate is logical
Bolt is overregulated to connect with the pressing plate for compressing pipe.
A kind of welding procedure for welder of being composed and laid out using Ni-based eccentric band steel, which is characterized in that include the following steps：
Welding material prepares：The plate-like welding wire and welding rod being mutually matched with pipe and band steel are selected according to the wall thickness of pipe；
Welding equipment prepares：Select the gas shield welding power supply and hand arc welding machine of solderable nickel-base material；
In welding：Welding is combined using manual electric arc welding plus semi-automatic flux-cored arc welding；
Control welding sequence：Workpiece is symmetrically segmented by fusion length direction, need when welding using from centre to
The welding sequence that both sides are symmetrical, intersect, to ensure to reduce welding deformation.
Preferably, the welding material prepares, and selects the plate-like welding wire and 3.2~Φ of Φ 4.0 of 0.8~Φ of Φ 1.6
Welding rod.
Preferably, workpiece is symmetrically segmented by the control welding sequence by fusion length direction, each segmentation
Length about 200~350mm.
Preferably, the use manual electric arc welding adds semi-automatic flux-cored arc welding to be combined welding, adopts
By hand when arc welding, 100~110A of welding current, 22~28V of voltage；When using semi-automatic flux-cored arc welding,
Welding current 180-300A；22~30V of voltage, control interlayer temperature is less than or equal to 150 DEG C in welding process.
Preferably, when the semi-automatic flux-cored arc welding of the use, it is passed through protective gas, protective gas uses
Ar and CO2 hybrid protection gas is protected, and shield gas flow rate is 10~20L/min.
Preferably, the unilateral bevel of the band steel upward by the band steel of bevel side is first welded using semi-automatic medicine core
Silk gas shielded arc welding welding groove side prime coat；The tube panel formed by multiple pipes arranged side by side is turned over again after fixing, is adopted
The non-groove side of electric arc welding by hand；Tube panel is turned over again after fixing, finally uses semi-automatic flux-cored wire gas again
Protection weldering welding groove side residue weld seam, and form the face of weld molding of rounding off.
Preferably, the angle of the groove is between 20~45 °；There are root faces at groove.
The Ni-based steel pipe and steel plate that the present invention uses at home and abroad generally existing in the market, purchase resourceful, raw material
At low cost, delivery cycle is reasonable.The welding technique of the present invention is semi-automatic flux-cored arc welding and manual arc
Combined technical method is welded, welding equipment is more universal, and equipment cost is relatively low.By determining, assembly provided by the invention is taken
Tooling, welding material and welding sequence can obtain the seal-weld for the pipe biasing heart band steel for meeting design performance, can be with
Effectively prevent weld cracking.
Description of the drawings
Fig. 1 is that a kind of Ni-based eccentric band steel is composed and laid out the structural schematic diagram of welder.
Specific implementation mode
In order to make the present invention more obvious and understandable, hereby with preferred embodiment, and attached drawing is coordinated to be described in detail below.
The present invention is that a kind of Ni-based eccentric band steel is composed and laid out the welding procedure of weldering, is used for the system of shell gasification furnace internals demi-mini
Make comprising following steps：
Welding material prepares：According to the wall thickness of pipe 2 select Φ 0.8~in 1.6 be mutually matched with pipe and band steel 1
The welding rod of plate-like welding wire and 3.2~Φ of Φ 4.0；
Welding tooling prepares：Special tooling is used to carry out erection welding to prevent from deforming；
Welding tooling is that a kind of Ni-based eccentric band steel is composed and laid out welder, as shown in Figure 1 comprising clamping tooling 3), clamping
It is equipped in tooling 3 and is spaced setting and the fixing tool 4 below band steel 1 with pipe 2.Clamping tooling 3 includes two and sets relatively
The top of the support plate 32 of " 7 " font set, support plate 32 is connect by adjusting bolt with the pressing plate 31 set on 2 top of pipe.
Welding equipment prepares：Select the gas shield welding power supply and hand arc welding machine of solderable nickel-base material；
In welding：Welding is combined using manual electric arc welding plus semi-automatic flux-cored arc welding；
Welding preparation：Remove the dirts such as oil, the rust in region to be welded.
Welding is combined using manual electric arc welding plus semi-automatic flux-cored arc welding, welding procedure is as follows：
1. when using semi-automatic flux-cored arc welding, being passed through protective gas, protective gas uses Ar and CO2Mixing
Protection gas is protected, and shield gas flow rate is 10~20L/min；
2. welding variables when welding：
When using manual electric arc welding, 100~110A of welding current, 22~28V of voltage；Using semi-automatic flux-cored wire gas
When protection weldering, welding current 180-300A；22~30V of voltage controls interlayer temperature≤150 DEG C in welding process.
3. strictly controlling welding sequence when welding, workpiece is symmetrically segmented by fusion length direction, each segmentation
Length about 200~350mm needs when welding using welding sequence that is symmetrical to both sides from centre, intersecting, to ensure to reduce welding
Deformation.
The unilateral bevel of band steel 1, bevel angle stay 3mm root faces between 20~45 °.When assembly, as shown in Figure 1, will
The band steel 1 of bevel side is upward.First use semi-automatic flux-cored arc welding welding groove side prime coat；It again will be by multiple
After the tube panel turn that pipe 2 arranged side by side is formed is fixed, non-groove side is welded using manual electric arc welding；Tube panel is turned over again
After fixation, semi-automatic flux-cored arc welding welding groove side residue weld seam is finally used again, and form rounding off
Face of weld molding.
Claims (9)
- The welder 1. a kind of Ni-based eccentric band steel is composed and laid out, which is characterized in that including clamping tooling (3), be equipped in clamping tooling (3) It is spaced setting with pipe (2) and is set to the fixing tool (4) of band steel (1) below.
- The welder 2. a kind of Ni-based eccentric band steel as described in claim 1 is composed and laid out, which is characterized in that the clamping tooling (3) include two " 7 " fonts being oppositely arranged support plate (32), the top of support plate (32) passes through adjusting bolt (33) and uses In pressing plate (31) connection for compressing pipe (2).
- 3. a kind of welding procedure for welder of being composed and laid out using Ni-based eccentric band steel as described in claim 1, which is characterized in that packet Include following steps：Welding material prepares：The plate-like welding wire being mutually matched with pipe and band steel (1) and weldering are selected according to the wall thickness of pipe (2) Item；Welding equipment prepares：Select the gas shield welding power supply and hand arc welding machine of solderable nickel-base material；In welding：Welding is combined using manual electric arc welding plus semi-automatic flux-cored arc welding；Control welding sequence：Workpiece is symmetrically segmented by fusion length direction, is needed when welding using from centre to both sides Symmetrically, the welding sequence intersected, to ensure to reduce welding deformation.
- The weldering welding procedure 4. a kind of Ni-based eccentric band steel as claimed in claim 3 is composed and laid out, which is characterized in that the welding material Material prepares, and selects the welding rod of the plate-like welding wire and 3.2~Φ of Φ 4.0 of 0.8~Φ of Φ 1.6.
- The welder 5. a kind of Ni-based eccentric band steel as claimed in claim 3 is composed and laid out, which is characterized in that the control welding is suitable Workpiece is symmetrically segmented by sequence by fusion length direction, length about 200~350mm of each segmentation.
- The weldering welding procedure 6. a kind of Ni-based eccentric band steel as claimed in claim 3 is composed and laid out, which is characterized in that described uses hand Work arc welding adds semi-automatic flux-cored arc welding to be combined welding, when using manual electric arc welding, welding current 100~ 110A, 22~28V of voltage；When using semi-automatic flux-cored arc welding, welding current 180-300A；22~30V of voltage, Interlayer temperature is controlled in welding process is less than or equal to 150 DEG C.
- The weldering welding procedure 7. the Ni-based eccentric band steel of one kind as described in claim 3 or 6 is composed and laid out, which is characterized in that described adopts When with semi-automatic flux-cored arc welding, it is passed through protective gas, protective gas uses Ar and CO2Hybrid protection gas is protected Shield, shield gas flow rate are 10~20L/min.
- The weldering welding procedure 8. the Ni-based eccentric band steel of one kind as described in claim 3 or 6 is composed and laid out, which is characterized in that described is flat The unilateral bevel of steel (1) upward by the band steel (1) of bevel side is first welded using semi-automatic flux-cored arc welding Groove side prime coat；The tube panel formed by multiple pipes (2) arranged side by side is turned over again after fixing, using Manual arc welding Connect non-groove side；Tube panel is turned over again after fixing, finally uses semi-automatic flux-cored arc welding welding groove again Side residue weld seam, and form the face of weld molding of rounding off.
- The weldering welding procedure 9. a kind of Ni-based eccentric band steel as claimed in claim 8 is composed and laid out, which is characterized in that the groove Angle is between 20~45 °；There are root faces at groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810274658.XA CN108544061B (en) | 2018-03-29 | 2018-03-29 | Nickel-based eccentric flat steel splicing and arranging welding device and welding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810274658.XA CN108544061B (en) | 2018-03-29 | 2018-03-29 | Nickel-based eccentric flat steel splicing and arranging welding device and welding process |
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| CN108544061A true CN108544061A (en) | 2018-09-18 |
| CN108544061B CN108544061B (en) | 2020-08-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465559A (en) * | 2018-10-31 | 2019-03-15 | 中国电建集团山东电力建设第工程有限公司 | The long piece welding of heat-resistant high alloy steel tube panel and post weld heat treatment technique |
| CN112756753A (en) * | 2021-02-19 | 2021-05-07 | 东方电气集团东方锅炉股份有限公司 | Fillet welding method for high-nickel-iron-base austenitic stainless steel film type wall pipe panel |
| CN115302118A (en) * | 2022-08-12 | 2022-11-08 | 哈尔滨锅炉厂有限责任公司 | Forming method of circular arc tube panel |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001041405A (en) * | 1999-07-23 | 2001-02-13 | Nichias Corp | Mounting bracket of boiler water tube protecting tube block |
| EP1236954A1 (en) * | 2001-03-02 | 2002-09-04 | Karrena GmbH | Plates on boiler tube walls |
| CN1714980A (en) * | 2004-06-30 | 2006-01-04 | 上海锅炉厂有限公司 | Pulse burial arc welding process and welding device for boiler membrane type tube panels and tube rows |
| EP2695694A1 (en) * | 2012-07-13 | 2014-02-12 | Energoinstal S.A. | Method of welding of elements for the power industry, particulary of sealed wall panels of power boilers using MIG/MAG and laser welding |
| CN105364273A (en) * | 2015-11-16 | 2016-03-02 | 东方电气集团东方锅炉股份有限公司 | Solid welding wire gas shield welding method for nickel-based plate type splicing |
| CN105773044A (en) * | 2016-05-19 | 2016-07-20 | 哈尔滨哈锅锅炉容器工程有限责任公司 | MPM welding decoration device |
| CN106238866A (en) * | 2016-08-29 | 2016-12-21 | 东方电气集团东方锅炉股份有限公司 | Ni-based membrane panel welding method |
| CN106862787A (en) * | 2017-03-30 | 2017-06-20 | 烟台国冶冶金水冷设备有限公司 | The process of the motor-driven welder nickel-base alloy tube panel of membrane wall |
-
2018
- 2018-03-29 CN CN201810274658.XA patent/CN108544061B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001041405A (en) * | 1999-07-23 | 2001-02-13 | Nichias Corp | Mounting bracket of boiler water tube protecting tube block |
| EP1236954A1 (en) * | 2001-03-02 | 2002-09-04 | Karrena GmbH | Plates on boiler tube walls |
| CN1714980A (en) * | 2004-06-30 | 2006-01-04 | 上海锅炉厂有限公司 | Pulse burial arc welding process and welding device for boiler membrane type tube panels and tube rows |
| EP2695694A1 (en) * | 2012-07-13 | 2014-02-12 | Energoinstal S.A. | Method of welding of elements for the power industry, particulary of sealed wall panels of power boilers using MIG/MAG and laser welding |
| CN105364273A (en) * | 2015-11-16 | 2016-03-02 | 东方电气集团东方锅炉股份有限公司 | Solid welding wire gas shield welding method for nickel-based plate type splicing |
| CN105773044A (en) * | 2016-05-19 | 2016-07-20 | 哈尔滨哈锅锅炉容器工程有限责任公司 | MPM welding decoration device |
| CN106238866A (en) * | 2016-08-29 | 2016-12-21 | 东方电气集团东方锅炉股份有限公司 | Ni-based membrane panel welding method |
| CN106862787A (en) * | 2017-03-30 | 2017-06-20 | 烟台国冶冶金水冷设备有限公司 | The process of the motor-driven welder nickel-base alloy tube panel of membrane wall |
Non-Patent Citations (1)
| Title |
|---|
| 王香云等: "脉冲MAG自动焊在膜式壁制造中的应用", 《焊接》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465559A (en) * | 2018-10-31 | 2019-03-15 | 中国电建集团山东电力建设第工程有限公司 | The long piece welding of heat-resistant high alloy steel tube panel and post weld heat treatment technique |
| CN109465559B (en) * | 2018-10-31 | 2021-05-04 | 中国电建集团山东电力建设第一工程有限公司 | Long-abutted seam welding and postweld heat treatment process for high-alloy heat-resistant steel tube panel |
| CN112756753A (en) * | 2021-02-19 | 2021-05-07 | 东方电气集团东方锅炉股份有限公司 | Fillet welding method for high-nickel-iron-base austenitic stainless steel film type wall pipe panel |
| CN115302118A (en) * | 2022-08-12 | 2022-11-08 | 哈尔滨锅炉厂有限责任公司 | Forming method of circular arc tube panel |
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| CN108544061B (en) | 2020-08-04 |
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