CN107398653A - A kind of valve built-up welding continuous casting casting rod and its welding procedure - Google Patents
A kind of valve built-up welding continuous casting casting rod and its welding procedure Download PDFInfo
- Publication number
- CN107398653A CN107398653A CN201710714790.3A CN201710714790A CN107398653A CN 107398653 A CN107398653 A CN 107398653A CN 201710714790 A CN201710714790 A CN 201710714790A CN 107398653 A CN107398653 A CN 107398653A
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- China
- Prior art keywords
- welding
- built
- valve
- continuous casting
- valve built
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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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
-
- 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
- B23K5/00—Gas flame welding
- B23K5/18—Gas flame welding for purposes other than joining parts, e.g. built-up 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
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Arc Welding In General (AREA)
Abstract
The present invention relates to a kind of valve built-up welding continuous casting casting rod and its welding procedure, include the component of following mass percent：Activated carbon powder 4~5%, carbonization ferrotianium 35~37%, high purity tungsten 10~13%, vanadium iron powder 0.1~0.5%, atomization manganese powder 2~3%, nichrome powder 1~2%, cobalt tungsten powder surplus.The component collocation of the present invention is reasonable, while realization is repaired to valve size, also greatly improves the performance of valve, extends the service life of valve, effectively prevent the waste of resource, reduce cost.
Description
Technical field
The present invention relates to processing technique field is remanufactured, specifically a kind of valve built-up welding continuous casting casting rod and its welding
Technique.
Background technology
Valve is control unit in pipeline fluid induction system, for changing path section and media flow direction, is had
The functions such as water conservancy diversion, cut-off, throttling, non-return, shunting or overflow release.Because the purposes of valve is extensive, therefore its work for rising
With being also very big.Such as：Valve can control the operating of boiler and steam turbine in power plant；In oil, Chemical Manufacture,
Valve equally also plays the normal operation for controlling whole production equipments and technological process.
In use for some time, a certain degree of corrosion and abrasion just occurs in valve, influences whether to set when serious
Standby normal use, it is necessary to timely changed, but the valve cost more renewed is higher, and after corrosion, wear
Valve abandons after being replaced, and causes the serious wasting of resources.
Therefore, a kind of method that can carry out remanufacturing processing to the valve after corrosion, wear of active demand.
The content of the invention
In order to solve deficiency of the prior art, the present invention proposes a kind of valve built-up welding with continuous casting casting rod and its Welder
Skill.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of valve built-up welding continuous casting casting rod, include the component of following mass percent：
The vanadium iron powder includes the component of following mass percent：V is 48.0~55.0%, C is 0~0.40%, Si 0
~2.0%, P is 0~0.06%, S is 0~0.04%, Al is 0~1.5%, Mn is 0~0.1%, Fe is surplus.Mainly refining
It is used as alloy addition in steel, high vanadium vanadium iron also serves as the additive of non-ferrous alloy.
The carbonization ferrotianium includes the component of following mass percent：Ti is 56~58%, C is 12~13%, Si be 0~
2.0%th, P is 0~0.03%, S is 0~0.03%, Cu is 0~0.20%, Mn is 0~0.25%, surplus Fe.
The granularity of the carbonization ferrotianium is that can pass through 100 mesh sieves.Cast iron can be improved, be the original of lime-titania type welding rod again
Material.
A kind of welding procedure of valve built-up welding continuous casting casting rod, the processing step are：Using oxygen-acetylene carburizing flame side
Method or tungsten argon arc soldering method (manually or automatically) carry out built-up welding to workpiece.
Before built-up welding, workpiece should be preheated, preheating temperature is 300~600 DEG C, 300 DEG C of built-up welding interlayer temperature.
Workpiece heap postwelding should carry out hidden lino removal immediately.
The beneficial effects of the invention are as follows：The component collocation of the present invention is reasonable, while realization is repaired to valve size, also
The performance of valve is greatly improved, the service life of valve is extended, effectively prevent the waste of resource, reduce cost.
Carbon and depressed place content are high in the continuous casting casting rod of the present invention, and its overlay cladding has stronger wear-resisting damage tolerant and corrosion resistance.To 1000 DEG C
High temperature can also keep such characteristic, because there is higher W content, its high temperature hardness is superior.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, below it is right
The present invention is expanded on further.
Embodiment one：
A kind of valve built-up welding continuous casting casting rod, include the component of following mass percent：
The vanadium iron powder includes the component of following mass percent：V is 55.0%, C 0.40%, Si 1%, P are
0.01%th, S 0.04%, Al 1.5%, Mn 0.1%, Fe are surplus.Mainly it is used as alloy addition, Gao Fan in steel-making
Vanadium iron also serves as the additive of non-ferrous alloy.
The carbonization ferrotianium includes the component of following mass percent：Ti is 56%, C 12%, Si 2.0%, P are
0.03%th, S 0.01%, Cu 0.20%, Mn 0.1%, surplus Fe.
The granularity of the carbonization ferrotianium is that can pass through 100 mesh sieves.Cast iron can be improved, be the original of lime-titania type welding rod again
Material.
A kind of welding procedure of valve built-up welding continuous casting casting rod, the processing step are：Using oxygen-acetylene carburizing flame side
Method (manually or automatically) carries out built-up welding to workpiece.
Before built-up welding, workpiece should be preheated, preheating temperature is 300 DEG C, 300 DEG C of built-up welding interlayer temperature.
Workpiece heap postwelding should carry out hidden lino removal immediately.
Embodiment two：
A kind of valve built-up welding continuous casting casting rod, include the component of following mass percent：
The vanadium iron powder includes the component of following mass percent：V is 48.0%, C 0.1%, Si 2.0%, P are
0.06%th, S 0.01%, Al 1%, Mn 0.05%, Fe are surplus.Mainly it is used as alloy addition, Gao Fan in steel-making
Vanadium iron also serves as the additive of non-ferrous alloy.
The carbonization ferrotianium includes the component of following mass percent：Ti is 58%, C 13%, Si 1%, P are
0.01%th, S 0.03%, Cu 0.1%, Mn 0.25%, surplus Fe.
The granularity of the carbonization ferrotianium is that can pass through 100 mesh sieves.Cast iron can be improved, be the original of lime-titania type welding rod again
Material.
A kind of welding procedure of valve built-up welding continuous casting casting rod, the processing step are：Using oxygen-acetylene carburizing flame side
Method (manually or automatically) carries out built-up welding to workpiece.
Before built-up welding, workpiece should be preheated, preheating temperature is 400 DEG C, 300 DEG C of built-up welding interlayer temperature.
Workpiece heap postwelding should carry out hidden lino removal immediately.
Embodiment three：
A kind of valve built-up welding continuous casting casting rod, include the component of following mass percent：
The vanadium iron powder includes the component of following mass percent：V is 50%, C 0.2%, Si 0.5%, P are
0.02%th, S 0.03%, Al 0.5%, Mn 0.07%, Fe are surplus.Mainly it is used as alloy addition in steel-making, it is high
Vanadium vanadium iron also serves as the additive of non-ferrous alloy.
The carbonization ferrotianium includes the component of following mass percent：Ti is 57%, C 12.6%, Si 1.5%, P are
0.02%th, S 0.02%, Cu 0.15%, Mn 0.2%, surplus Fe.
The granularity of the carbonization ferrotianium is that can pass through 100 mesh sieves.Cast iron can be improved, be the original of lime-titania type welding rod again
Material.
A kind of welding procedure of valve built-up welding continuous casting casting rod, the processing step are：Using tungsten argon arc soldering method (hand
Work is automatic) built-up welding is carried out to workpiece.
Before built-up welding, workpiece should be preheated, preheating temperature is 500 DEG C, 300 DEG C of built-up welding interlayer temperature.
Workpiece heap postwelding should carry out hidden lino removal immediately.
Example IV：
A kind of valve built-up welding continuous casting casting rod, include the component of following mass percent：
The vanadium iron powder includes the component of following mass percent：V is 52%, C 0.3%, Si 1.8%, P are
0.05%th, S 0.03%, Al 1.3%, Mn 0.08%, Fe are surplus.Mainly it is used as alloy addition in steel-making, it is high
Vanadium vanadium iron also serves as the additive of non-ferrous alloy.
The carbonization ferrotianium includes the component of following mass percent：Ti is 58%, C 13%, Si 1.7%, P are
0.02%th, S 0.02%, Cu 0.20%, Mn 0.25%, surplus Fe.
The granularity of the carbonization ferrotianium is that can pass through 100 mesh sieves.Cast iron can be improved, be the original of lime-titania type welding rod again
Material.
A kind of welding procedure of valve built-up welding continuous casting casting rod, the processing step are：Using tungsten argon arc soldering method (hand
Work is automatic) built-up welding is carried out to workpiece.
Before built-up welding, workpiece should be preheated, preheating temperature is 600 DEG C, 300 DEG C of built-up welding interlayer temperature.
Workpiece heap postwelding should carry out hidden lino removal immediately.
In order to prove the actual effect and performance of the present invention, special four sides by embodiments of the invention one to example IV
After case is implemented respectively, respective layer performance is tested, and has done statistical analysis, statistics is as follows：
From above-mentioned experimental data, the component of the present invention is combined using oxy-acetylene carburizing flame overlaying method, can be in height
With higher hardness when temperature is 445 DEG C -558 DEG C, especially at 445 DEG C up to highest；For using tungsten argon arc soldering method
, can be especially optimal at 445 DEG C in 445 DEG C -558 DEG C of high temperature with higher hardness with reference to the component of the present invention, i.e.,
Under 445 DEG C of high-temperature conditions, the layer of valve has higher hardness, and performance is improved, and using the technique of the present invention
After method, it is possible to achieve to the repairing sizes of workpiece such as valve seat, bearing.Layer made of the present invention, normal temperature hardness HRC37~
55。
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited by step embodiment, that described in step embodiment and specification is the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these change and
Improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
Thing defines.
Claims (7)
- A kind of 1. valve built-up welding continuous casting casting rod, it is characterised in that：Include the component of following mass percent：
- A kind of 2. valve built-up welding continuous casting casting rod according to claim 1, it is characterised in that：The vanadium iron powder includes following The component of mass percent：V is 48.0~55.0%, C is 0~0.40%, Si is 0~2.0%, P is 0~0.06%, S 0 ~0.04%, Al is 0~1.5%, Mn is 0~0.1%, Fe is surplus.
- A kind of 3. valve built-up welding continuous casting casting rod according to claim 1, it is characterised in that：It is described carbonization ferrotianium include with The component of lower mass percent：Ti is 56~58%, C is 12~13%, Si is 0~2.0%, P is 0~0.03%, S be 0~ 0.03%th, Cu is 0~0.20%, Mn is 0~0.25%, surplus Fe.
- A kind of 4. valve built-up welding continuous casting casting rod according to claim 1 or 3, it is characterised in that：The carbonization ferrotianium Granularity is that can pass through 100 mesh sieves.
- A kind of 5. welding procedure of valve built-up welding continuous casting casting rod according to claim any one of 1-3, it is characterised in that： The processing step is：Heap is carried out to workpiece using oxygen-acetylene carburizing flame method or tungsten argon arc soldering method (manually or automatically) Weldering.
- A kind of 6. welding procedure of valve built-up welding continuous casting casting rod according to claim 5, it is characterised in that：In built-up welding Before, workpiece should be preheated, preheating temperature is 300~600 DEG C, 300 DEG C of built-up welding interlayer temperature.
- A kind of 7. welding procedure of valve built-up welding continuous casting casting rod according to claim 5, it is characterised in that：Workpiece built-up welding After should carry out hidden lino removal immediately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710714790.3A CN107398653A (en) | 2017-08-19 | 2017-08-19 | A kind of valve built-up welding continuous casting casting rod and its welding procedure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710714790.3A CN107398653A (en) | 2017-08-19 | 2017-08-19 | A kind of valve built-up welding continuous casting casting rod and its welding procedure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107398653A true CN107398653A (en) | 2017-11-28 |
Family
ID=60398002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710714790.3A Pending CN107398653A (en) | 2017-08-19 | 2017-08-19 | A kind of valve built-up welding continuous casting casting rod and its welding procedure |
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| CN (1) | CN107398653A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038609A (en) * | 1989-05-12 | 1990-01-10 | 冶金工业部钢铁研究总院 | Alloy for surfacing |
| CN1281767A (en) * | 2000-09-08 | 2001-01-31 | 北京工业大学 | Aged hardened toolsteel tungsten argon arc welding metal powder core surfacing welding rod |
| CN101596634A (en) * | 2009-07-10 | 2009-12-09 | 攀枝花新钢钒股份有限公司 | A kind of rolls for hot dipping composite overlaying method of bearing shell and axle sleeve |
| JP2013060633A (en) * | 2011-09-14 | 2013-04-04 | Fukuda Metal Foil & Powder Co Ltd | Co-BASED ALLOY FOR SURFACE HARDENING |
| CN106624451A (en) * | 2017-03-06 | 2017-05-10 | 上海斯米克焊材有限公司 | Thin-layer high-hardness abrasion-resistant surfacing welding electrode for seal face of valve |
-
2017
- 2017-08-19 CN CN201710714790.3A patent/CN107398653A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038609A (en) * | 1989-05-12 | 1990-01-10 | 冶金工业部钢铁研究总院 | Alloy for surfacing |
| CN1281767A (en) * | 2000-09-08 | 2001-01-31 | 北京工业大学 | Aged hardened toolsteel tungsten argon arc welding metal powder core surfacing welding rod |
| CN101596634A (en) * | 2009-07-10 | 2009-12-09 | 攀枝花新钢钒股份有限公司 | A kind of rolls for hot dipping composite overlaying method of bearing shell and axle sleeve |
| JP2013060633A (en) * | 2011-09-14 | 2013-04-04 | Fukuda Metal Foil & Powder Co Ltd | Co-BASED ALLOY FOR SURFACE HARDENING |
| CN106624451A (en) * | 2017-03-06 | 2017-05-10 | 上海斯米克焊材有限公司 | Thin-layer high-hardness abrasion-resistant surfacing welding electrode for seal face of valve |
Non-Patent Citations (1)
| Title |
|---|
| 吴树雄 等: "《焊丝选用指南》", 31 May 2002, 化学工业出版社 * |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171128 |
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