CN114952054B - Welding method for upper flat cover and lower flat cover of reactor - Google Patents
Welding method for upper flat cover and lower flat cover of reactor Download PDFInfo
- Publication number
- CN114952054B CN114952054B CN202210249751.1A CN202210249751A CN114952054B CN 114952054 B CN114952054 B CN 114952054B CN 202210249751 A CN202210249751 A CN 202210249751A CN 114952054 B CN114952054 B CN 114952054B
- Authority
- CN
- China
- Prior art keywords
- pipe
- flat cover
- welding
- small
- connecting pipe
- 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.)
- Active
Links
- 238000003466 welding Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000010586 diagram Methods 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 238000013473 artificial intelligence Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013208 measuring procedure Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or 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
- B23K37/0426—Fixtures for other work
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention relates to the technical field of reactor assembly, in particular to a welding method for an upper flat cover and a lower flat cover of a reactor, which can conveniently and quickly finish welding and improve efficiency.
Description
Technical Field
The invention relates to the technical field of reactor assembly, in particular to a welding method for an upper flat cover and a lower flat cover of a reactor.
Background
Polycrystalline silicon is a direct raw material for producing monocrystalline silicon, and is an electronic information base material of semiconductor devices such as modern artificial intelligence, automatic control, information processing, photoelectric conversion and the like. The reactor for producing polysilicon is mainly used on chips and solar energy, has high requirements on the dimensional accuracy of equipment, comprises an upper flat cover and a lower flat cover, and has a plurality of pipes which are required to be welded on the two covers.
Disclosure of Invention
In order to solve the problem of low welding efficiency of the upper flat cover and the lower flat cover of the existing reactor, the invention provides a welding method of the upper flat cover and the lower flat cover of the reactor, which can conveniently and rapidly finish welding and improve the efficiency.
The technical scheme is as follows: the welding method for the upper flat cover and the lower flat cover of the reactor is characterized by comprising an upper flat cover welding process and a lower flat cover welding process, wherein the upper flat cover welding process comprises the following steps of:
(1) Fixing the first connecting pipe and the first small pipe on the inner side of the transverse part and the inner side of the vertical part of the inverted L-shaped positioning frame respectively, welding the first small pipe on the first connecting pipe, and then detaching the first connecting pipe and the first small pipe welded together from the inverted L-shaped positioning frame;
(2) Fixing the second connecting pipes and the second small pipes on the inner side of the top and the inner side of the side part of the inclined pipe positioning frame respectively, fixing part of the second small pipes on the triangular positioning blocks in inclined arrangement, welding all the second small pipes on the second connecting pipes, and then detaching the second connecting pipes and the second small pipes welded together from the inclined pipe positioning frame;
(3) Fixing the first connecting pipe welded with the first small pipe, the second connecting pipe welded with the second small pipe and the third connecting pipe in the step (1) and the step (2) on a main positioning frame;
(4) Fixing the upper flat cover on the main positioning frame, enabling the first connecting pipe, the second connecting pipe and the third connecting pipe to correspond to the welding positions of the upper flat cover respectively, welding the first connecting pipe, the second connecting pipe and the third connecting pipe on the upper flat cover, and removing the main positioning frame
(5) Fixing a short pipe on the secondary positioning plate, fixing the secondary positioning plate on the upper flat cover, enabling the short pipe to correspond to the welding position of the upper flat cover, removing the secondary positioning plate after welding the short pipe, and finishing welding of the upper flat cover;
the lower flat cover welding process comprises the following steps:
(1) Fixing a middle pipe and a large flange on the kidney-shaped frame, and fixing a small flange on the kidney-shaped frame through a positioning shaft;
(2) And fixing the lower flat cover on the waist-shaped frame, enabling the middle pipe, the large flange and the small flange to correspond to the welding positions of the lower flat cover, welding the middle pipe, the large flange and the small flange on the lower flat cover, and finally removing the waist-shaped frame to finish the welding of the lower flat cover.
The device is further characterized in that the first connecting pipe, the first small pipe, the second connecting pipe, the second small pipe, the third connecting pipe, the middle pipe and the large flange are fixed by the positioning cover.
After the invention is adopted, the main locating frame and the waist-shaped frame are utilized to conveniently realize the accurate locating of the pipe to be welded of the upper flat cover and the lower flat cover, the pipe to be welded is dismantled after the welding is finished, the pipe to be welded can be reused, the measuring procedures on the upper flat cover and the lower flat cover are omitted, the pipe to be welded is directly after the pipe to be welded is assembled, and the welding efficiency is greatly improved.
Drawings
FIG. 1 is a schematic illustration of a first small tube welded to a first connecting tube;
FIG. 2 is a schematic view of a second small pipe welded to a second connecting pipe;
FIG. 3 is a schematic diagram of upper flat cover welding;
FIG. 4 is a cross-sectional view taken along the direction A-A in FIG. 3;
FIG. 5 is a side view of FIG. 4;
FIG. 6 is a schematic diagram of a spool weld;
FIG. 7 is a schematic view of lower flat cover welding;
FIG. 8 is a cross-sectional view taken along line A-A of FIG. 7;
fig. 9 is a sectional view taken along the direction B-B in fig. 8.
Detailed Description
As shown in fig. 1 to 6, a method for welding an upper flat cover and a lower flat cover of a reactor includes an upper flat cover welding process and a lower flat cover welding process, the upper flat cover welding process including the steps of:
(1) The first connecting pipe 15 and the first small pipe 16 are respectively fixed on the inner side of the transverse part and the inner side of the vertical part of the inverted L-shaped locating frame 1, the inner side of the transverse part and the inner side of the vertical part of the inverted L-shaped locating frame 1 are respectively provided with a first through hole 5 and a second through hole 6, and are respectively fixed with a first locating cover 8 used for locating, as the first connecting pipe 15 is longer, a hoop 7 is added for ensuring stable connection, the first small pipe 16 is welded on the first connecting pipe 15, and then the first connecting pipe 15 and the first small pipe 16 welded together are detached from the inverted L-shaped locating frame 1;
(2) The second connecting pipe 17 and the second small pipe 18 are respectively fixed on the inner side of the top and the inner side of the side part of the inclined pipe locating frame 2, a third through hole 9 at the top, a fourth through hole 10 at the bottom, a fifth through hole 11 at the side surface and a sixth through hole are respectively formed, in order to ensure locating, a second locating cover 13 is arranged in each of the third through hole 9, the fourth through hole 10 and the fifth through hole 11, a triangular locating block 14 is arranged in the sixth through hole, part of the second small pipe is fixed on the triangular locating block 14 in an inclined arrangement, all the second small pipes 18 are welded on the second connecting pipe 17, and then the second connecting pipe 17 and the second small pipe 18 welded together are detached from the inclined pipe locating frame 2;
(3) Fixing the first connecting pipe 15 welded with the first small pipe 16, the second connecting pipe 17 welded with the second small pipe 18 and the third connecting pipe 25 in the step (1) and the step (2) on the main positioning frame 1, wherein the main positioning frame 1 comprises an upper positioning surface 19 and a lower positioning surface 20 which are arranged in a stepped mode, a seventh through hole 21 is formed in the upper positioning surface 19, a positioning table 22 is arranged on the upper positioning surface, an eighth through hole 23 is formed in the positioning table 22, a ninth through hole 24 is formed in the position, close to the step, of the lower positioning surface 20, a notch 31 communicated with the ninth through hole 24 is formed in the side face of the step, and third positioning covers 26 matched with the first connecting pipe 15, the second connecting pipe 17 and the third connecting pipe 25 are respectively arranged in the seventh through hole 21, the eighth through hole 23 and the ninth through hole 24 and are used for positioning and fixing, and the positioning covers and the like are basically fixed by bolts;
(4) Fixing the upper flat cover 27 to the main positioning frame 1 through the bottom connecting seat 28, enabling the first connecting pipe 15, the second connecting pipe 17 and the third connecting pipe 25 to correspond to the welding positions of the upper flat cover 27 respectively, welding the first connecting pipe 15, the second connecting pipe 17 and the third connecting pipe 25 to the upper flat cover 27, and removing the main positioning frame 1;
(5) The short tube 30 is fixed on the secondary positioning plate 4, the short tube 30 is positioned by the positioning shaft 31, the secondary positioning plate 4 is fixed on the upper flat cover 27, the short tube 30 corresponds to the welding position of the upper flat cover 27, the short tube 30 is welded, and then the secondary positioning plate 4 is removed, so that the welding of the upper flat cover 27 is completed.
As shown in fig. 7 to 9, the lower flat cover welding process includes the steps of:
(1) The middle pipe 39 and the large flange 50 are fixed on the kidney-shaped frame 32, the small flange 46 is fixed on the kidney-shaped frame 32 through a locating piece 45, specifically, the left side and the right side of the kidney-shaped frame 32 are respectively fixed with a bottom connecting piece 34 for connecting the lower flat cover 33, a transverse plate 35 is welded and fixed at the middle position of the inner wall of the kidney-shaped frame 32, a seventh through hole 36 is formed in the center position of the transverse plate 35, a supporting table 37 is welded and fixed at the seventh through hole 36, an eighth through hole 38 is formed in the supporting table 37, a fourth locating cover 40 matched with the middle pipe 39 is arranged in the eighth through hole 38 through a first bolt 41, three ninth through holes 42 and two tenth through holes 43 are formed in the rest position of the transverse plate 35, the upper end of the locating piece 45 is connected through a third bolt 44, the lower end of the locating piece 45 is used for connecting the small flange 46, an upper convex column 47 matched with the ninth through hole 42 and a lower convex column 48 matched with the inner hole of the small flange 46 are respectively arranged at the upper end and the lower end of the locating piece 45, an eighth through hole 38 is formed in the tenth through a second through hole 49, a fifth locating cover 50 matched with the inner hole 50 is arranged at the fifth through hole 43, a fifth locating ring 51 matched with the fifth through hole 50 and the fifth flange 50 is arranged in the tenth through hole 43, and the middle locating hole 50 is positioned with the fifth flange 50 is positioned accurately. The concave recess in both sides of supporting bench 37 gives two big flanges 50 and gives way, can let big flange 50 installation smoothly.
(2) The lower flat cover 33 is fixed to the kidney-shaped frame 32 with the middle pipe 39, the large flange 50 and the small flange 46 corresponding to the welding positions of the lower flat cover 33, then the middle pipe 39, the large flange 50 and the small flange 46 are welded to the lower flat cover 33, and finally the kidney-shaped frame 32 is removed to complete the welding of the lower flat cover 33.
Claims (1)
1. The welding method for the upper flat cover and the lower flat cover of the reactor is characterized by comprising an upper flat cover welding process and a lower flat cover welding process, wherein the upper flat cover welding process comprises the following steps of:
(1) Fixing the first connecting pipe and the first small pipe on the inner side of the transverse part and the inner side of the vertical part of the inverted L-shaped positioning frame respectively, welding the first small pipe on the first connecting pipe, and then detaching the first connecting pipe and the first small pipe welded together from the inverted L-shaped positioning frame;
(2) Fixing the second connecting pipes and the second small pipes on the inner side of the top and the inner side of the side part of the inclined pipe positioning frame respectively, fixing part of the second small pipes on the triangular positioning blocks in inclined arrangement, welding all the second small pipes on the second connecting pipes, and then detaching the second connecting pipes and the second small pipes welded together from the inclined pipe positioning frame;
(3) Fixing the first connecting pipe welded with the first small pipe, the second connecting pipe welded with the second small pipe and the third connecting pipe in the step (1) and the step (2) on a main positioning frame;
(4) Fixing the upper flat cover on the main positioning frame, enabling the first connecting pipe, the second connecting pipe and the third connecting pipe to correspond to the welding positions of the upper flat cover respectively, welding the first connecting pipe, the second connecting pipe and the third connecting pipe on the upper flat cover, and removing the main positioning frame
(5) Fixing a short pipe on the secondary positioning plate, fixing the secondary positioning plate on the upper flat cover, enabling the short pipe to correspond to the welding position of the upper flat cover, removing the secondary positioning plate after welding the short pipe, and finishing welding of the upper flat cover;
the lower flat cover welding process comprises the following steps:
(1) Fixing a middle pipe and a large flange on the kidney-shaped frame, and fixing a small flange on the kidney-shaped frame through a positioning shaft;
(2) Fixing the lower flat cover on the waist-shaped frame, enabling the middle pipe, the large flange and the small flange to correspond to the welding positions of the lower flat cover, then welding the middle pipe, the large flange and the small flange on the lower flat cover, and finally removing the waist-shaped frame to finish the welding of the lower flat cover; the first connecting pipe, the first small pipe, the second connecting pipe, the second small pipe, the third connecting pipe, the middle pipe and the large flange are fixed by the positioning cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210249751.1A CN114952054B (en) | 2022-03-15 | 2022-03-15 | Welding method for upper flat cover and lower flat cover of reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210249751.1A CN114952054B (en) | 2022-03-15 | 2022-03-15 | Welding method for upper flat cover and lower flat cover of reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114952054A CN114952054A (en) | 2022-08-30 |
| CN114952054B true CN114952054B (en) | 2024-03-19 |
Family
ID=82975836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210249751.1A Active CN114952054B (en) | 2022-03-15 | 2022-03-15 | Welding method for upper flat cover and lower flat cover of reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114952054B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7307557A (en) * | 1972-06-02 | 1973-12-04 | ||
| KR100819884B1 (en) * | 2007-05-30 | 2008-04-08 | 윤상욱 | Clamp device for short pipe of welding jig |
| JP2013017987A (en) * | 2011-06-14 | 2013-01-31 | T Rad Co Ltd | Method of manufacturing reactor and housing thereof |
| CN205967913U (en) * | 2016-08-21 | 2017-02-22 | 南方中金环境股份有限公司 | Pipe flange welding position frock |
| CN113084380A (en) * | 2021-03-05 | 2021-07-09 | 山西阳煤化工机械（集团）有限公司 | On-site assembly method for synthesis gas/steam co-production gasification furnace |
| CN214212767U (en) * | 2020-12-24 | 2021-09-17 | 佳华恒通(大连)科技发展有限公司 | Positioning, assembling and welding platform for oil tank flange and mounting plate |
| CN215200284U (en) * | 2021-01-21 | 2021-12-17 | 松下压缩机(大连)有限公司 | Automatic clamp for welding upper cover and pipe fitting of compressor |
-
2022
- 2022-03-15 CN CN202210249751.1A patent/CN114952054B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7307557A (en) * | 1972-06-02 | 1973-12-04 | ||
| KR100819884B1 (en) * | 2007-05-30 | 2008-04-08 | 윤상욱 | Clamp device for short pipe of welding jig |
| JP2013017987A (en) * | 2011-06-14 | 2013-01-31 | T Rad Co Ltd | Method of manufacturing reactor and housing thereof |
| CN205967913U (en) * | 2016-08-21 | 2017-02-22 | 南方中金环境股份有限公司 | Pipe flange welding position frock |
| CN214212767U (en) * | 2020-12-24 | 2021-09-17 | 佳华恒通(大连)科技发展有限公司 | Positioning, assembling and welding platform for oil tank flange and mounting plate |
| CN215200284U (en) * | 2021-01-21 | 2021-12-17 | 松下压缩机(大连)有限公司 | Automatic clamp for welding upper cover and pipe fitting of compressor |
| CN113084380A (en) * | 2021-03-05 | 2021-07-09 | 山西阳煤化工机械（集团）有限公司 | On-site assembly method for synthesis gas/steam co-production gasification furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114952054A (en) | 2022-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100478118C (en) | Welding aid for connecting flange and its welding method | |
| CN114952054B (en) | Welding method for upper flat cover and lower flat cover of reactor | |
| CN103056800A (en) | Large wind turbine generator set cabin cover positioning tool and method for adjusting coaxiality | |
| CN216939025U (en) | Upper head lug welding frock | |
| CN110757060B (en) | Worm type plunger pump case welding tool | |
| CN203254324U (en) | Tool for manufacturing lower support of tower crane | |
| CN105458325B (en) | It is a kind of that the method to drill on tube sheet is fixed on using more radial drills | |
| CN217344201U (en) | Lower flat cover welding tool | |
| CN112112186B (en) | Installation method of split jacket foundation on offshore converter station | |
| CN216606917U (en) | Device for processing outer cylinder of heavy gas turbine fairing by compression molding method | |
| CN113118397B (en) | Integral base of vertical continuous casting machine light pressure module and adjusting method thereof | |
| CN114800901A (en) | Assembled toilet positioning and hole-opening device and construction method | |
| CN210818175U (en) | Steel arch frame trial assembly die | |
| CN211317114U (en) | Nuclear fuel assembly spacer grid inspection gauge | |
| CN202461888U (en) | Horizontal flange clamping welding and annealing device of rotatable stationary guide blade casing of combustion gas turbine | |
| CN112404849A (en) | Floatable positioning tool for welding support of heliostat support girder | |
| CN216179843U (en) | Positioning tool for lower sheet connecting seat of engine room cover | |
| CN220659986U (en) | Thin-wall annular workpiece cutting clamp | |
| CN203031351U (en) | High-speed numerical-control drilling fixture for thin pipe plates | |
| CN218693908U (en) | Large-scale cast iron pipe ring flange end face seal waterline processing seat | |
| CN214557522U (en) | Wedge block type hydraulic self-centering device of numerical control drill | |
| CN115741170B (en) | Vertical clamping tool structure of high-voltage machine base in horizontal machining center | |
| CN213208909U (en) | Three-dimensional photographic equipment installs frock among slot type light-heat power generation | |
| CN220407901U (en) | Combined machining tool for front section of composite material thin-wall large-opening engine shell | |
| CN103557430A (en) | Method for manufacturing and mounting wet type helical gas holder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 15, Shiliu Road, Hudai Town, Binhu District, Wuxi City, Jiangsu Province, 214000 Patentee after: Wuxi Huali Juneng Equipment Co.,Ltd. Country or region after: China Address before: No. 15, Shiliu Road, Hudai Town, Binhu District, Wuxi City, Jiangsu Province, 214000 Patentee before: WUXI HUALI PETROLEUM AND CHEMICAL ENGINEERING Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |