CN105750716A - Combining and welding method for large-diameter dust removal pipeline in humid environment - Google Patents
Combining and welding method for large-diameter dust removal pipeline in humid environment Download PDFInfo
- Publication number
- CN105750716A CN105750716A CN201610236784.7A CN201610236784A CN105750716A CN 105750716 A CN105750716 A CN 105750716A CN 201610236784 A CN201610236784 A CN 201610236784A CN 105750716 A CN105750716 A CN 105750716A
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- Prior art keywords
- welding
- diameter pipeline
- fetal membrane
- soldering appliance
- diameter
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Classifications
-
- 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
- B23K9/18—Submerged-arc welding
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- 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
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/028—Seam welding; Backing means; Inserts for curved planar seams
- B23K9/0282—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a combining and welding method for a large-diameter dust removal pipeline in a humid environment. The method comprises the following steps: S1, performing construction preparation; S2, arranging a mobile match part group; S3, manufacturing a temporarily mobile closed welding tool room; S4, performing submerged automatic arc welding. According to various measures used in the method, construction field resources can be directly utilized; the roundness of the large-diameter pipeline can be improved in rolling and welding processes by the mobile match part group; the arrangement of the welding tool room ensures that welding operation is not influenced by external environment; the mobile welding tool room ensures the relation and simplicity of large-batch welding operation; the submerged automatic arc welding is performed in the welding tool room, so that the continuity, quickness and quality of the welding operation are ensured by adjusting the rotation of the large-diameter pipeline, and the labour intensity is reduced. According to the method, the use of large hoisting equipment is omitted; the labour efficiency is improved, and the labour intensity is reduced; influences on the welding operation caused by the external environment are avoided or reduced; the welding quality is improved.
Description
Technical field
The invention belongs to pipeline welding field, particularly relate to combined welding method under a kind of major diameter cleaning shaft wet environment.
Background technology
At present, existing about multi-purpose rapid welding method under a kind of major diameter cleaning shaft wet environment, do not arrive in China national patent office searching, but have the Patent design of similar title；Such as " under low temperature cold condition method for welding pipeline " that China national Patent Office issues on November 18th, 2015, application number: CN201510572372, mainly introduce pipeline welding receives the overall process construction method having welded, being incubated, check under low temperature cold condition from welding rod for it；For another example " a kind of multifunctional pipe soldering group is to the device " of China national Patent Office JIUYUE in 2015 announcement on the 16th, application number CN201520359357, positioner during its main pipe soldering group pair.But at present, also there is not multi-purpose rapid welding method under a kind of major diameter cleaning shaft wet environment.
Along with the policy guidance that China's economy develops rapidly and country's encouragement eliminates the backward production facilities, metallurgy industry is faced with production technology, renewal of the equipment, the lifting of thing followed environmental protection efficiency, no matter it is newly construct the factory buildings or improvement project, major part is to improve environment protecting, and in dedusting environment friendly type it is important that increase cleaning shaft, promote powerful motor fan, in cleaning shaft is constructed, we are through practice principle in recent years, define the construction method of advanced person, reduce construction cost with " detachable support ", reduce waste；Add moveable platform formula bond pattern rolling tire, reduce workmen's labor intensity, promote welding quality；With irregular combined hanging method, reduce work high above the ground.Above-mentioned measure method Successful utilization, in several project installation, all achieves good economic and social profit.
For the special environment under subtropical monsoon climate, ambient humidity is big, throughout the year rainy, carries out cleaning shaft welding operation, it is necessary to take to close accordingly measure under such environment；Major diameter cleaning shaft caliber weld seam big, welding is many, it is necessary to take simple and easy welding method efficiently.
Summary of the invention
It is an object of the invention to provide combined welding method under a kind of major diameter cleaning shaft wet environment, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, present invention employs techniques below scheme:
Combined welding method under a kind of major diameter cleaning shaft wet environment, comprises the following steps:
S1, preparation of construction
Selected making place, by fabricating yard Horizon seamless reality and with concreting, carries out qualification of welding procedure to material, assign weld job guiding book, and welding procedure is told somebody what one's real intentions are, to the material inspection material testimonial stocked up and product certificate, its outward appearance is checked；
S2, removable fetal membrane group is set
First make removable fetal membrane group, packaged type fetal membrane group is made up of H profile steel grade beam, fetal membrane, H profile steel grade beam is distributed in the both sides of large-diameter pipeline centrage and steadily arranges on the ground, paired fetal membrane is placed on H profile steel flange plate, sticking in H profile steel flange plate by the draw-in groove bottom fetal membrane, the spacing size between relative fetal membrane is determined according to the section length of large-diameter pipeline；
S3, make interim mobile closed soldering appliance room
By in several sections of large-diameter pipeline group to point postweldings lifting to packaged type fetal membrane group, make interim mobile closed soldering appliance room again, namely on the ground, both sides of large-diameter pipeline, arrange two tracks, the soldering appliance room of box-structure is arranged on Telescopic support, Telescopic support lower end is directly put in orbit, soldering appliance room is positioned at the top of large-diameter pipeline weld seam, and rain-proof curtain is placed in the both sides being finally connected with large-diameter pipeline in soldering appliance room；
S4, Lincoln weld welding
Operator are in soldering appliance room, rotate large-diameter pipeline, ensure to bury the speed of welding of Vulpes automatic welding by regulating the rotating speed of large-diameter pipeline, after one girth welding of large-diameter pipeline completes, mobile whole interim mobile closed soldering appliance room so that it is mobile extremely next weld seam welds.
Preferably, the basis of described track is 200～300mm thickness rubble and upper berth fine sand and builds 100mm concrete.
Preferably, in step S3, the distance of bottom surface, soldering appliance room platform and large-diameter pipeline weld seam is 150mm.
Compared with prior art, beneficial effects of the present invention is as follows:
Scene of the present invention requirement of actual working condition is low, and the various measures used can directly utilize the resource of job site, and packaged type fetal membrane ensures roll at large-diameter pipeline and improve its circularity in welding process；Arranging of soldering appliance room ensures that weld job is not by the impact of external environment；Removable soldering appliance room ensures the high-volume contiguity of weld job, simplification；Arrange in soldering appliance room and bury Vulpes automatic welding, by regulating the reduction rotating guarantee and the labor intensity ensureing the continuous, quick of weld job and quality of large-diameter pipeline.The present invention saves the use of large lifting equipment, raises labour efficiency and lowers labor intensity, it is to avoid or reduce the external environment impact on weld job, improve welding quality.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of removable fetal membrane group.
Fig. 2 is the schematic diagram in interim mobile closed soldering appliance room.
Detailed description of the invention
Below in conjunction with embodiment, the optimal way of the present invention is described in further detail.
Combined welding method under a kind of major diameter cleaning shaft wet environment, comprises the following steps:
S1, preparation of construction
Selected making place, by fabricating yard Horizon seamless reality and with concreting, carries out qualification of welding procedure to material, assign weld job guiding book, and welding procedure is told somebody what one's real intentions are, to the material inspection material testimonial stocked up and product certificate, its outward appearance is checked.
S2, removable fetal membrane group is set
As shown in Figure 1, first make removable fetal membrane group, packaged type fetal membrane group 8 is made up of H profile steel grade beam 3, fetal membrane 2, H profile steel grade beam 3 is distributed in the both sides of large-diameter pipeline 1 centrage and steadily arranges on the ground, paired fetal membrane is placed on H profile steel flange plate, sticking in H profile steel flange plate by the draw-in groove bottom fetal membrane, the relative spacing size between fetal membrane 2 is determined according to the section length of large-diameter pipeline 1.
S3, make interim mobile closed soldering appliance room
As shown in Figure 2, by in several sections of large-diameter pipeline 1 group to point postweldings lifting to packaged type fetal membrane group 8, make interim mobile closed soldering appliance room again, namely on the ground, both sides of large-diameter pipeline 1, arrange two tracks 4, the basis of track 4 is 200～300mm thickness rubble and upper berth fine sand and builds 100mm concrete, the soldering appliance room 6 of box-structure is arranged on Telescopic support 5, Telescopic support 5 lower end is directly placed on track 4, soldering appliance room 6 is positioned at the top of large-diameter pipeline 1 weld seam, and the distance of bottom surface, soldering appliance room 6 platform and large-diameter pipeline 1 weld seam is 150mm, rain-proof curtain 7 is placed in the last both sides being connected with large-diameter pipeline 1 in soldering appliance room 6.
S4, Lincoln weld welding
Operator are in soldering appliance room 6, rotate large-diameter pipeline 1, ensure to bury the speed of welding of Vulpes automatic welding by regulating the rotating speed of large-diameter pipeline 1, after one girth welding of large-diameter pipeline 1 completes, mobile whole interim mobile closed soldering appliance room so that it is mobile extremely next weld seam welds.
The present invention proposes combined welding method under a kind of major diameter cleaning shaft wet environment, the purpose of the present invention is aiming at the defect that prior art exists, major diameter cleaning shaft welding method is provided, solves the progress of major diameter cleaning shaft multi-purpose rapid welding method, quality, safety problem under the monsoon moist climate of subtropical zone.
Above embodiments is only that the preferred embodiment of the present invention is described; not the scope of the present invention is defined; under the premise designing spirit without departing from the present invention; various deformation that technical scheme is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that claims of the present invention is determined.
Claims (3)
1. combined welding method under a major diameter cleaning shaft wet environment, it is characterised in that comprise the following steps:
S1, preparation of construction
Selected making place, by fabricating yard Horizon seamless reality and with concreting, carries out qualification of welding procedure to material, assign weld job guiding book, and welding procedure is told somebody what one's real intentions are, to the material inspection material testimonial stocked up and product certificate, its outward appearance is checked；
S2, removable fetal membrane group is set
First make removable fetal membrane group, packaged type fetal membrane group (8) is made up of H profile steel grade beam (3), fetal membrane (2), H profile steel grade beam (3) is distributed in the both sides of large-diameter pipeline (1) centrage and steadily arranges on the ground, paired fetal membrane is placed on H profile steel flange plate, sticking in H profile steel flange plate by the draw-in groove bottom fetal membrane, the relative spacing size between fetal membrane (2) is determined according to the section length of large-diameter pipeline (1)；
S3, make interim mobile closed soldering appliance room
By in several sections of large-diameter pipelines (1) group to point postwelding lifting to packaged type fetal membrane group (8), make interim mobile closed soldering appliance room again, namely on the ground, both sides of large-diameter pipeline (1), arrange two tracks (4), the soldering appliance room (6) of box-structure is arranged on Telescopic support (5), Telescopic support (5) lower end is directly placed on track (4), soldering appliance room (6) is positioned at the top of large-diameter pipeline (1) weld seam, rain-proof curtain (7) is placed in the last both sides being connected with large-diameter pipeline (1) in soldering appliance room (6)；
S4, Lincoln weld welding
Operator are in soldering appliance room (6), rotate large-diameter pipeline (1), ensure to bury the speed of welding of Vulpes automatic welding by regulating the rotating speed of large-diameter pipeline (1), after one girth welding of large-diameter pipeline (1) completes, mobile whole interim mobile closed soldering appliance room so that it is mobile extremely next weld seam welds.
2. combined welding method under major diameter cleaning shaft wet environment according to claim 1, it is characterised in that the basis of described track (4) is 200～300mm thickness rubble and upper berth fine sand and builds 100mm concrete.
3. combined welding method under major diameter cleaning shaft wet environment according to claim 1, it is characterised in that in step S3, soldering appliance room (6) bottom surface platform is 150mm with the distance of large-diameter pipeline (1) weld seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610236784.7A CN105750716A (en) | 2016-04-14 | 2016-04-14 | Combining and welding method for large-diameter dust removal pipeline in humid environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610236784.7A CN105750716A (en) | 2016-04-14 | 2016-04-14 | Combining and welding method for large-diameter dust removal pipeline in humid environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105750716A true CN105750716A (en) | 2016-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610236784.7A Pending CN105750716A (en) | 2016-04-14 | 2016-04-14 | Combining and welding method for large-diameter dust removal pipeline in humid environment |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10258392A (en) * | 1997-03-17 | 1998-09-29 | Nippon Steel Corp | Centering and marking equipment for steel pipe lagging |
| CN101823177A (en) * | 2010-04-30 | 2010-09-08 | 重庆钢铁(集团)有限责任公司 | Submerged-arc welding process of large-size cylinder body |
| US20120024824A1 (en) * | 2010-07-28 | 2012-02-02 | Randel Brandstrom | Cladding the interior of a straight pipe section |
| CN102485403A (en) * | 2010-12-03 | 2012-06-06 | 中国有色（沈阳）冶金机械有限公司 | Cylinder welding frame body device |
| CN103567681A (en) * | 2013-10-29 | 2014-02-12 | 江苏华通动力重工有限公司 | External circular seam welding device for drying barrel of asphalt mixing equipment |
| CN204771179U (en) * | 2015-06-08 | 2015-11-18 | 浙江大大不锈钢有限公司 | Welded tube inside weld processor |
-
2016
- 2016-04-14 CN CN201610236784.7A patent/CN105750716A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10258392A (en) * | 1997-03-17 | 1998-09-29 | Nippon Steel Corp | Centering and marking equipment for steel pipe lagging |
| CN101823177A (en) * | 2010-04-30 | 2010-09-08 | 重庆钢铁(集团)有限责任公司 | Submerged-arc welding process of large-size cylinder body |
| US20120024824A1 (en) * | 2010-07-28 | 2012-02-02 | Randel Brandstrom | Cladding the interior of a straight pipe section |
| CN102485403A (en) * | 2010-12-03 | 2012-06-06 | 中国有色（沈阳）冶金机械有限公司 | Cylinder welding frame body device |
| CN103567681A (en) * | 2013-10-29 | 2014-02-12 | 江苏华通动力重工有限公司 | External circular seam welding device for drying barrel of asphalt mixing equipment |
| CN204771179U (en) * | 2015-06-08 | 2015-11-18 | 浙江大大不锈钢有限公司 | Welded tube inside weld processor |
Non-Patent Citations (1)
| Title |
|---|
| 朱志明等: "钢制压力容器焊接工艺制定与管理系统", 《第十一次全国焊接会议论文集》 * |
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Application publication date: 20160713 |