CN103350270A - Combustion gas turbine flame tube mixer high temperature alloy vacuum argon filling protecting welding method - Google Patents
Combustion gas turbine flame tube mixer high temperature alloy vacuum argon filling protecting welding method Download PDFInfo
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- CN103350270A CN103350270A CN2013102752997A CN201310275299A CN103350270A CN 103350270 A CN103350270 A CN 103350270A CN 2013102752997 A CN2013102752997 A CN 2013102752997A CN 201310275299 A CN201310275299 A CN 201310275299A CN 103350270 A CN103350270 A CN 103350270A
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Abstract
The invention relates to welding methods and discloses a combustion gas turbine flame tube mixer high temperature alloy vacuum argon filling protecting welding method which aims to solve the problems that pores, slag inclusion and shrinkage porosity can happen easily in a welding process. The method includes the steps of step 1, cleaning a high temperature alloy flame tube mixer and high temperature alloy welding wires, step 2, assembling and vacummizing an argon filling protection device, and step 3, welding in the vacuum argon filling protection device. According to the method, the welding process is always in a high-purity argon protection state, oxidation of welding interfaces can be avoided, weld bead penetrating depth is increased, welding strength of high temperature alloy is improved, welding quality is guaranteed, and the method is applied to welding.
Description
Technical field
The present invention relates to welding method.
Background technology
Term durability gas turbine flame barrel is heat-resisting high-temperature alloy material, the blender in burner inner liner exit and the entrance of turbine very close to, be upper and lower half argon arc welding Welding Structure.Unit operation Flame cylinder is under the high temperature and high pressure condition works, and blender plays and guarantees that combustor exit fuel gas temperature field acts on uniformly, guarantees that temperature is reduced to the design load of the front combustion gas initial temperature of turbine, prevents that turbine blade is heated inequality and ruins turbine blade.Therefore upper and lower half welding quality of blender directly affects blender itself and reaches the service life of turbine blade under high temperature and high pressure condition, and the problem of the pore that is prone in the welding process, slag inclusion, shrinkage porosite.
Summary of the invention
The present invention will solve the problem of the pore that is prone in the welding process, slag inclusion, shrinkage porosite, and a kind of term durability gas turbine flame barrel blender high-temperature alloy vacuum argon-filled protection welding method is provided.
A kind of term durability gas turbine flame barrel blender high-temperature alloy vacuum argon-filled protection welding method, specifically carry out according to following steps:
One, cleaning high temperature alloy burner inner liner blender and high temperature alloy welding wire;
Two, the high temperature alloy burner inner liner blender of step 1 being processed is assembled and is fixed on the frock, put into again the vacuum argon filling protective device, then start successively mechanical pump and the lobe pump of vacuum argon filling protective device, the vacuum argon filling protective device is vacuumized, open again argon-filling valve and be filled with argon gas;
Three, in the vacuum argon filling protective device; adopt the argon arc welding mode to fill out the high temperature alloy welding wire that step 1 is processed; the high temperature alloy burner inner liner blender of step 2 assembling is welded, finish term durability gas turbine flame barrel blender high-temperature alloy vacuum argon-filled protection welding method.
Above-mentioned steps one is removed the oxide-film of workpiece and welding wire surface, can improve the wettability of scolder; Welding process is in the state of high purity argon protection always in the step 3, avoids the weld interface oxidation, increases the welding bead length of penetration, increases the weld strength of high temperature alloy, guarantees welding quality.
The invention has the beneficial effects as follows: the inventive method adopts a kind of vacuum argon filling protective device.It is 99.999% that argon gas adopts purity, the interior residual oxygen concentration of argon-filled protection device is lower than-60 ℃ less than 50ppm, dew-point temperature when welding.In the welding process; the fresh-keeping valve of protective device and vent valve meeting automatic switch; guarantee the purity of argon gas in the vacuum chamber; welding process is in the state of high purity argon protection always; avoid the weld interface oxidation; increase the welding bead length of penetration, increase the weld strength of high temperature alloy, guaranteed welding quality.
The present invention is used for welding.
Description of drawings
Fig. 1 is the metallographic microscope figure (* 100) of the weld seam of embodiment one welding; Fig. 2 is the metallographic microscope figure (* 100) of mother metal; Fig. 3 is the metallographic microscope figure (* 100) of heat affected area.
The specific embodiment
Technical solution of the present invention is not limited to the following cited specific embodiment, also comprises any combination between each specific embodiment.
The specific embodiment one: a kind of term durability gas turbine flame barrel blender of present embodiment high-temperature alloy vacuum argon-filled protection welding method, specifically carry out according to following steps:
One, cleaning high temperature alloy burner inner liner blender and high temperature alloy welding wire;
Two, the high temperature alloy burner inner liner blender of step 1 being processed is assembled and is fixed on the frock, put into again the vacuum argon filling protective device, then start successively mechanical pump and the lobe pump of vacuum argon filling protective device, the vacuum argon filling protective device is vacuumized, open again argon-filling valve and be filled with argon gas;
Three, in the vacuum argon filling protective device; adopt the argon arc welding mode to fill out the high temperature alloy welding wire that step 1 is processed; the high temperature alloy burner inner liner blender of step 2 assembling is welded, finish term durability gas turbine flame barrel blender high-temperature alloy vacuum argon-filled protection welding method.
The specific embodiment two: what present embodiment and the specific embodiment one were different is: the purity of argon gas is 99.999% in the step 2.Other is identical with the specific embodiment one.
The specific embodiment three: what present embodiment and the specific embodiment one were different is: in the step 2 vacuum argon filling protective device being evacuated to vacuum is below the 0.7Pa.Other is identical with the specific embodiment one.
The specific embodiment four: what present embodiment and the specific embodiment one were different is: the residual oxygen concentration in the argon-filled protection device is less than 50ppm during welding in the step 3, and dew-point temperature is lower than-60 ℃.Other is identical with the specific embodiment one.
Adopt following examples to verify beneficial effect of the present invention:
Embodiment one:
A kind of term durability gas turbine flame barrel blender of present embodiment high-temperature alloy vacuum argon-filled protection welding method, specifically carry out according to following steps:
One, cleaning high temperature alloy burner inner liner blender and high temperature alloy welding wire;
Two, the high temperature alloy burner inner liner blender of step 1 being processed is assembled and is fixed on the frock, put into again the vacuum argon filling protective device, then start successively mechanical pump and the lobe pump of vacuum argon filling protective device, the vacuum argon filling protective device is vacuumized, open again argon-filling valve and be filled with argon gas;
Three, in the vacuum argon filling protective device; adopt the argon arc welding mode to fill out the high temperature alloy welding wire that step 1 is processed; the high temperature alloy burner inner liner blender of step 2 assembling is welded, finish term durability gas turbine flame barrel blender high-temperature alloy vacuum argon-filled protection welding method.
The described welding wire of present embodiment step 1 is the high temperature alloy welding wire, and the burner inner liner blender is high temperature alloy burner inner liner blender; The purity of argon gas is 99.999% in the step 2; In the step 2 vacuum argon filling protective device being evacuated to vacuum is below the 0.7Pa; Residual oxygen concentration when welding in the step 3 in the argon-filled protection device is less than 50ppm, and dew-point temperature is lower than-60 ℃.
The metallographic microscope figure (* 100) of the weld seam of present embodiment welding as shown in Figure 1; The metallographic microscope figure (* 100) of mother metal as shown in Figure 2; The metallographic microscope figure (* 100) of heat affected area as shown in Figure 3, the inventive method welding has obtained good Welding Fractography tissue as seen from the figure, has guaranteed welding quality.
Claims (4)
1. a term durability gas turbine flame barrel blender high-temperature alloy vacuum argon-filled protection welding method is characterized in that a kind of term durability gas turbine flame barrel blender high-temperature alloy vacuum argon-filled protection welding method, specifically carries out according to following steps:
One, cleaning high temperature alloy burner inner liner blender and high temperature alloy welding wire;
Two, the high temperature alloy burner inner liner blender of step 1 being processed is assembled and is fixed on the frock, put into again the vacuum argon filling protective device, then start successively mechanical pump and the lobe pump of vacuum argon filling protective device, the vacuum argon filling protective device is vacuumized, open again argon-filling valve and be filled with argon gas;
Three, in the vacuum argon filling protective device; adopt the argon arc welding mode to fill out the high temperature alloy welding wire that step 1 is processed; the high temperature alloy burner inner liner blender of step 2 assembling is welded, finish term durability gas turbine flame barrel blender high-temperature alloy vacuum argon-filled protection welding method.
2. a kind of term durability gas turbine flame barrel blender high-temperature alloy vacuum argon-filled protection welding method according to claim 1, the purity that it is characterized in that argon gas in the step 2 is 99.999%.
3. a kind of term durability gas turbine flame barrel blender high-temperature alloy vacuum argon-filled protection welding method according to claim 1 is characterized in that in the step 2 vacuum argon filling protective device being evacuated to vacuum is below the 0.7Pa.
4. a kind of term durability gas turbine flame barrel blender high-temperature alloy vacuum argon-filled protection welding method according to claim 1, the residual oxygen concentration when it is characterized in that welding in the step 3 in the argon-filled protection device is less than 50ppm, and dew-point temperature is lower than-60 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102752997A CN103350270A (en) | 2013-07-02 | 2013-07-02 | Combustion gas turbine flame tube mixer high temperature alloy vacuum argon filling protecting welding method |
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| CN2013102752997A CN103350270A (en) | 2013-07-02 | 2013-07-02 | Combustion gas turbine flame tube mixer high temperature alloy vacuum argon filling protecting welding method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567612A (en) * | 2013-10-19 | 2014-02-12 | 沈阳黎明航空发动机(集团)有限责任公司 | Flame tube repair method |
| CN103862146A (en) * | 2014-03-25 | 2014-06-18 | 东方电气集团东方汽轮机有限公司 | Method for manufacturing inner barrel of combustor of gas turbine and fixture |
| CN105094159A (en) * | 2015-07-08 | 2015-11-25 | 哈尔滨工业大学 | Controlling and monitoring method for gases in vacuum cabin |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2294821C2 (en) * | 2005-05-03 | 2007-03-10 | Государственное образовательное учреждение высшего профессионального образования "Уфимский государственный авиационный технический университет" | Set for shielded-arc welding |
| CN201124286Y (en) * | 2007-09-03 | 2008-10-01 | 中国电子科技集团公司第二研究所 | Vacuum argon filling case |
| CN201613415U (en) * | 2010-01-07 | 2010-10-27 | 张金成 | Spot welder protected by vacuum argon gas |
| CN202119237U (en) * | 2011-06-01 | 2012-01-18 | 江西科泰新材料有限公司 | Non-self-consuming combined device of vacuum arc melting and vacuum arc welding |
| CN202240097U (en) * | 2011-09-10 | 2012-05-30 | 中航工业贵州航空动力有限公司 | Vacuum argon shielded welding equipment |
-
2013
- 2013-07-02 CN CN2013102752997A patent/CN103350270A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2294821C2 (en) * | 2005-05-03 | 2007-03-10 | Государственное образовательное учреждение высшего профессионального образования "Уфимский государственный авиационный технический университет" | Set for shielded-arc welding |
| CN201124286Y (en) * | 2007-09-03 | 2008-10-01 | 中国电子科技集团公司第二研究所 | Vacuum argon filling case |
| CN201613415U (en) * | 2010-01-07 | 2010-10-27 | 张金成 | Spot welder protected by vacuum argon gas |
| CN202119237U (en) * | 2011-06-01 | 2012-01-18 | 江西科泰新材料有限公司 | Non-self-consuming combined device of vacuum arc melting and vacuum arc welding |
| CN202240097U (en) * | 2011-09-10 | 2012-05-30 | 中航工业贵州航空动力有限公司 | Vacuum argon shielded welding equipment |
Non-Patent Citations (2)
| Title |
|---|
| 任更生等: "氩弧焊气孔缺陷的一种特例及处理", 《电焊机》, no. 1, 31 January 1994 (1994-01-31) * |
| 廖正贵等: "ZCY真空充氩箱及其在钛合金焊接中的应用", 《科技情报开发与经济》, vol. 19, no. 9, 31 May 2009 (2009-05-31) * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567612A (en) * | 2013-10-19 | 2014-02-12 | 沈阳黎明航空发动机(集团)有限责任公司 | Flame tube repair method |
| CN103862146A (en) * | 2014-03-25 | 2014-06-18 | 东方电气集团东方汽轮机有限公司 | Method for manufacturing inner barrel of combustor of gas turbine and fixture |
| CN103862146B (en) * | 2014-03-25 | 2016-02-17 | 东方电气集团东方汽轮机有限公司 | Gas turbine burner inner barrel manufacture method and frock |
| CN105094159A (en) * | 2015-07-08 | 2015-11-25 | 哈尔滨工业大学 | Controlling and monitoring method for gases in vacuum cabin |
| CN105094159B (en) * | 2015-07-08 | 2017-08-25 | 哈尔滨工业大学 | Vacuum chamber gas is controlled and monitoring method |
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Application publication date: 20131016 |