CN101481628B - Method for assembling gasifying furnace internal component coal gas conduit segment 45-degree water-cooled wall barrel - Google Patents
Method for assembling gasifying furnace internal component coal gas conduit segment 45-degree water-cooled wall barrel Download PDFInfo
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- CN101481628B CN101481628B CN2008102027978A CN200810202797A CN101481628B CN 101481628 B CN101481628 B CN 101481628B CN 2008102027978 A CN2008102027978 A CN 2008102027978A CN 200810202797 A CN200810202797 A CN 200810202797A CN 101481628 B CN101481628 B CN 101481628B
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- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
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- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
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Abstract
The invention relates to a method for assembling gasification furnace internal gas-pipe line 45-degree water screen cylinder body, which is characterized in that a locating rack of the gasification furnace internal gas-pipe line 45-degree water screen cylinder body is manufactured and is positioned by a central locating pipe, a circular arc locating device and a circular arc belt comb shaped locating device, and then three pipes are sequentially arranged on the locating rack of the gasification furnace internal gas-pipe line 45-degree water screen cylinder body to form a round rack pipe to be welded. The invention has the advantages of solving the manufacturing problem of the gasification furnace 45-degree water screen cylinder body, ensuring the dimensional requirements of the product and better guaranteeing the manufacture of a gasification furnace.
Description
Technical field
The present invention relates to the assembly method of 45 ° of water-cooled wall barrels of a kind of vapourizing furnace internals gas conduit section, belong to water wall assembling device technical field.
Background technology
Huaneng Group 45 ° of water-cooled wall barrel unit constructions of green coal electricity Tianjin IGCC (integrated gasification combined cycle plants) power plant's vapourizing furnace internals gas conduit section are complicated, and present boilermaker is not at home also made precedent, does not have experience to use for reference at manufacture view.Totally 76 pipes, lengths of run are that 8～9 meters, angle of bend are the φ 1180mm round shape shell and tube membrane wall that 45 °/R3000mm forms to this water-cooled wall barrel by diameter phi 38.Cylinder inboard wall upper side built-up welding nickel-base alloy, downside applies refractory materials.Be asymmetric welding stress structure formation.One-piece construction is the cylindrical shell of an arc shape, has 76 different pipes to assemble, owing to be difficult to control the distortion of welding and the high request of installation kit, thereby cause manufacture difficulty big, and the uppity problem of size.
Summary of the invention
The objective of the invention is provides the assembly method of 45 ° of water-cooled wall barrels of a kind of vapourizing furnace internals gas conduit section in making the vapourizing furnace internals, it is characterized in that its method is:
The first step; Make 45 ° of water-cooled wall barrel spacers of vapourizing furnace internals gas conduit section; 45 ° of water-cooled wall barrel spacers of vapourizing furnace internals gas conduit section are made up of short straight section positioning pipe, arc section positioning pipe, long and straight section positioning pipe, circular arc locating device, circular comb shape locating device and positioned centrally pipe; Arc section positioning pipe two ends are connected with the long and straight section positioning pipe with short straight section positioning pipe through the circular arc locating device respectively; Evenly be provided with at least two circular comb shape locating devices respectively on short straight section positioning pipe, arc section positioning pipe and the long and straight section positioning pipe; The positioned centrally pipe is located at the center of short straight section positioning pipe, arc section positioning pipe and long and straight section positioning pipe, and passes the first location axle sleeve and the second location axle sleeve of circular arc locating device, circular comb shape locating device;
Second the step: according to figure paper size make short straight section pipe, arc section pipe and long and straight section pipe respectively, the pairing central angle of the circular arc of arc section pipe is 45 °, and according to figure paper size requirement to the verification of single-piece bend pipe;
The 3rd step: will lack straight section pipe, arc section pipe and long and straight section pipe and be placed on respectively and be assembled into pipe row in per two comb shape strongbacks of the circular comb shape locating device on short straight section positioning pipe, arc section positioning pipe, the long and straight section positioning pipe; And pipe row positioned, clamp;
The 4th step: row adorns the weldering band steel to pipe, and weldprocedure adopts manual conventional electric-arc welding;
The 5th step: use the oxy-acetylene air pressure gun that pipe row is carried out hot calibration, Tc is 650 ℃-790 ℃;
The 6th step: to cylindrical shell heap nickel-base alloy;
The 7th step: the pipe row to postwelding carries out multiple calibration through the oxy-acetylene air pressure gun equipment;
The 8th step: assemble successfully, advance the furnace treatment reason, thermal treatment temp is 690 ℃-760 ℃;
The 9th step: remove 45 ° of water-cooled wall barrel spacers of vapourizing furnace internals gas conduit section; Described circular arc locating device is made up of the first circle strongback, the first location axle sleeve and first web member, and the first location axle sleeve is connected with the first circle strongback through first web member;
Described circular comb shape locating device is made up of the second circle strongback, the second location axle sleeve and second web member, comb shape strongback; The second location axle sleeve is connected with the second circle strongback through second web member, and 76 comb shape strongbacks evenly are located on the circumference of the second circle strongback.
The diameter phi 1 of described short straight section positioning pipe is that 45 °, the diameter phi 2 of long and straight section positioning pipe are 1177mm for the pairing central angle of circular arc of 1147mm, arc section positioning pipe.
The present invention is according to the size length of different pipe; Make 45 ° of water-cooled wall barrel spacers of vapourizing furnace internals gas conduit section; By positioned centrally pipe, circular arc locating device and circular arc band comb shape locating device location; Then root of three kinds of pipes being contained in the comb of forming circle on 45 ° of water-cooled wall barrel spacers of vapourizing furnace internals gas conduit section welds again; This method has solved 45 ° of gas conduit sections of vapourizing furnace water-cooled wall barrel and has made a difficult problem, has guaranteed product each item dimensional requirement, guarantees the manufacturing of vapourizing furnace better.
Advantage of the present invention is to guarantee quality product, has filled up the blank of development vapourizing furnace internals manufacturing technologies.
Description of drawings
Fig. 1 is 45 ° of water-cooled wall barrel spacers of vapourizing furnace internals gas conduit section structural representation;
Fig. 2 is a circular arc positioning device structure synoptic diagram;
Fig. 3 is circular comb shape positioning device structure synoptic diagram;
Fig. 4 is 45 ° of water-cooled wall barrel structural representations of vapourizing furnace internals gas conduit section.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Embodiment
With Huaneng Group 45 ° of water-cooled wall barrel assembled of green coal electricity Tianjin IGCC power plant first vapourizing furnace internals gas conduit section is example:
The assembly method of 45 ° of water-cooled wall barrels of a kind of vapourizing furnace internals gas conduit section is:
The first step; Make 45 ° of water-cooled wall barrel spacers of vapourizing furnace internals gas conduit section; 45 ° of water-cooled wall barrel spacers of vapourizing furnace internals gas conduit section are made up of weak point straight section positioning pipe 1, arc section positioning pipe 2, long and straight section positioning pipe 3, circular arc locating device 4, circular comb shape locating device 5 and positioned centrally pipe 14; Arc section positioning pipe 2 two ends are connected with long and straight section positioning pipe 3 with short straight section positioning pipe 1 through circular arc locating device 4 respectively; Evenly be provided with at least two circular comb shape locating devices 5 respectively on weak point straight section positioning pipe 1, arc section positioning pipe 2 and the long and straight section positioning pipe 3; Positioned centrally pipe 14 is located at the center of short straight section positioning pipe 1, arc section positioning pipe 2 and long and straight section positioning pipe 3; And the first location axle sleeve 7 and second that passes circular arc locating device 4, circular comb shape locating device 5 is located axle sleeve 10; The diameter phi 1 of described short straight section positioning pipe 1 is that 45 °, the diameter phi 2 of long and straight section positioning pipe 3 are 1177mm for the pairing central angle of circular arc of 1147mm, arc section positioning pipe 2, puts the welding shrinkage allowanace on the diameter, and is as shown in Figure 1;
Described circular arc locating device 4 locatees axle sleeve 7 by the first garden strongback 6, first and first web member 8 is formed, and the first location axle sleeve 7 is connected with the first garden strongback 6 through first web member 8, and is as shown in Figure 2.
Described circular comb shape locating device 5 is made up of the second garden strongback 9, the second location axle sleeve 10 and second web member 11, comb shape strongback 12; The second location axle sleeve 10 is connected with the second garden strongback 9 through second web member 11; 76 comb shape strongbacks 12 evenly are located on the circumference of the second circle strongback 9, and are as shown in Figure 3.
Second the step: scheme paper size according to the user and make short straight section pipe, arc section pipe and long and straight section pipe respectively, the radius 3000mm of arc section pipe, the pairing central angle of circular arc is 45 °, and according to figure paper size requirement to the verification of single-piece bend pipe;
The 3rd step: will lack straight section pipe, arc section pipe and long and straight section pipe and be placed on respectively in per two comb shape strongbacks 12 of the circular comb shape locating device 5 on short straight section positioning pipe 1, arc section positioning pipe 2, the long and straight section positioning pipe 3 and be assembled into circle row; And pipe row positioned, clamp;
The 4th step: row adorns the weldering band steel to pipe, and weldprocedure adopts manual conventional electric-arc welding;
The 5th step: use the oxy-acetylene air pressure gun that pipe row is carried out hot calibration, Tc is 700 ℃;
The 6th step: cylindrical shell is piled nickel-base alloy by ordinary method;
The 7th step: the pipe row to postwelding carries out multiple calibration through the oxy-acetylene air pressure gun equipment;
The 8th step: assemble successfully, advance the furnace treatment reason, thermal treatment temp is 720 ℃;
The 9th step: remove 45 ° of water-cooled wall barrel spacers of vapourizing furnace internals gas conduit section, 45 ° of water-cooled wall barrels of vapourizing furnace internals coal run 13 are made and are accomplished, shown in 4.
Claims (2)
1. the assembly method of 45 ° of water-cooled wall barrels of a vapourizing furnace internals gas conduit section is characterized in that its method is:
The first step; Make 45 ° of water-cooled wall barrel spacers of vapourizing furnace internals gas conduit section; 45 ° of water-cooled wall barrel spacers of vapourizing furnace internals gas conduit section are made up of short straight section positioning pipe (1), arc section positioning pipe (2), long and straight section positioning pipe (3), circular arc locating device (4), circular comb shape locating device (5) and positioned centrally pipe (14); Arc section positioning pipe (2) two ends are connected with long and straight section positioning pipe (3) with short straight section positioning pipe (1) through circular arc locating device (4) respectively; Evenly be provided with at least two circular comb shape locating devices (5) respectively on short straight section positioning pipe (1), arc section positioning pipe (2) and the long and straight section positioning pipe (3); Positioned centrally pipe (14) is located at the center of short straight section positioning pipe (1), arc section positioning pipe (2) and long and straight section positioning pipe (3), and passes the first location axle sleeve (7) and the second location axle sleeve (10) of circular arc locating device (4), circular comb shape locating device (5);
Second the step: according to figure paper size make short straight section pipe, arc section pipe and long and straight section pipe respectively, the pairing central angle of the circular arc of arc section pipe is 45 °, and according to figure paper size requirement to the verification of single-piece bend pipe;
The 3rd step: will lack straight section pipe, arc section pipe and long and straight section pipe and be placed on respectively and be assembled into pipe row in per two comb shape strongbacks (12) of the circular comb shape locating device (5) on short straight section positioning pipe (1), arc section positioning pipe (2), the long and straight section positioning pipe (3); And pipe row positioned, clamp;
The 4th step: row adorns the weldering band steel to pipe, and weldprocedure adopts manual conventional electric-arc welding;
The 5th step: use the oxy-acetylene air pressure gun that pipe row is carried out hot calibration, Tc is 650 ℃-790 ℃;
The 6th step: to cylindrical shell heap nickel-base alloy;
The 7th step: the pipe row to postwelding carries out multiple calibration through the oxy-acetylene air pressure gun equipment;
The 8th step: assemble successfully, advance the furnace treatment reason, thermal treatment temp is 690 ℃-760 ℃;
The 9th step: remove 45 ° of water-cooled wall barrel spacers of vapourizing furnace internals gas conduit section;
Described circular arc locating device (4) is made up of the first circle strongback (6), the first location axle sleeve (7) and first web member (8), and the first location axle sleeve (7) is connected with the first circle strongback (6) through first web member (8);
Described circular comb shape locating device (5) is made up of the second circle strongback (9), the second location axle sleeve (10) and second web member (11), comb shape strongback (12); The second location axle sleeve (10) is connected with the second circle strongback (9) through second web member (11), and 76 comb shape strongbacks (12) evenly are located on the circumference of the second circle strongback (9).
2. the assembly method of 45 ° of water-cooled wall barrels of a kind of vapourizing furnace internals gas conduit section according to claim 1; It is characterized in that; The diameter phi 1 of described short straight section positioning pipe (1) is 45 ° for the pairing central angle of circular arc of 1147mm, arc section positioning pipe (2), and the diameter phi 2 of long and straight section positioning pipe (3) is 1177mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102027978A CN101481628B (en) | 2008-11-17 | 2008-11-17 | Method for assembling gasifying furnace internal component coal gas conduit segment 45-degree water-cooled wall barrel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102027978A CN101481628B (en) | 2008-11-17 | 2008-11-17 | Method for assembling gasifying furnace internal component coal gas conduit segment 45-degree water-cooled wall barrel |
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| Publication Number | Publication Date |
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| CN101481628A CN101481628A (en) | 2009-07-15 |
| CN101481628B true CN101481628B (en) | 2012-08-01 |
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| CN2008102027978A Active CN101481628B (en) | 2008-11-17 | 2008-11-17 | Method for assembling gasifying furnace internal component coal gas conduit segment 45-degree water-cooled wall barrel |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102393006B (en) * | 2010-12-22 | 2013-08-21 | 上海锅炉厂有限公司 | Positioning method for inserting multi-loop film spiral coil pipe into cylindrical film water-cooling wall cylinder |
| CN111299764A (en) * | 2019-11-27 | 2020-06-19 | 苏州海陆重工股份有限公司 | Manufacturing tool for water-cooled wall cylinder of gasification furnace |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1584397A (en) * | 2004-05-28 | 2005-02-23 | 清华大学 | Dregs cooler with rotary drum for circulating fluid-bed boiler |
| CN2887834Y (en) * | 2005-08-12 | 2007-04-11 | 华东理工大学 | Fireproof lining of entrained flow gasification furnace with hydrocarbons as master batch |
| CN101054537A (en) * | 2007-05-22 | 2007-10-17 | 西安热工研究院有限公司 | Chilling device for up coal gas of high temperature |
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- 2008-11-17 CN CN2008102027978A patent/CN101481628B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1584397A (en) * | 2004-05-28 | 2005-02-23 | 清华大学 | Dregs cooler with rotary drum for circulating fluid-bed boiler |
| CN2887834Y (en) * | 2005-08-12 | 2007-04-11 | 华东理工大学 | Fireproof lining of entrained flow gasification furnace with hydrocarbons as master batch |
| CN101054537A (en) * | 2007-05-22 | 2007-10-17 | 西安热工研究院有限公司 | Chilling device for up coal gas of high temperature |
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| CN101481628A (en) | 2009-07-15 |
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