CN106825986A - A kind of iron-based Thermofusion welding agent - Google Patents
A kind of iron-based Thermofusion welding agent Download PDFInfo
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- CN106825986A CN106825986A CN201611140209.3A CN201611140209A CN106825986A CN 106825986 A CN106825986 A CN 106825986A CN 201611140209 A CN201611140209 A CN 201611140209A CN 106825986 A CN106825986 A CN 106825986A
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- iron
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- welding agent
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Classifications
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- 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
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3053—Fe as the principal constituent
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The present invention discloses a kind of iron-based Thermofusion welding agent, and by weight percentage, the iron-based Thermofusion welding agent is made up of following raw material：Croci 50 70%, 20 150 mesh；Metallic aluminium powder 15 30%, 20 150 mesh；Calcirm-fluoride powder 0.5 5%, 40 150 mesh；Ferroalloy 2 8%, 40 100 mesh；Metallic iron powder 10 25%, 50 200 mesh；SiO 2 powder 0.1 2%, 40 100 mesh.Iron-based Thermofusion welding agent of the invention is with low cost, the possibility that reactant splashes when reducing welding, welding effect is good, the corrosion resistance and good of junction, electric conductivity are strong, it is less prone to loosening, comes off, electrolytic cell operates steadily, electric current is obvious by uniform, pressure drop effect, maintenance cost and potential safety hazard are reduced, the promotion and application without electric welding material are realized, can be used for the sweat soldering of electric tank cathode square steel.
Description
Technical field
The present invention relates to a kind of iron-based Thermofusion welding agent, the iron-based Thermofusion welding agent is particularly well-suited to the heat of electric tank cathode square steel
Fusion welding.
Background technology
The cathode square steel of bottom of electrolytic tank laying needs replacing in time after a period of time use.And cathode square steel is in electrolysis
Aluminium busbar is connected to outside groove, is non-dismountable component, corresponding length is reserved at cathode square steel two ends connection aluminium busbar during replacing
Degree, damaged location is cut away, and is more renewed cathode square steel and is welded together with the termination of former reserved connection aluminium busbar.So changing
One of with the groundwork that welded cathode square steel is electrolytic cell overhaul.
When electrolytic cell overhaul is carried out, conventional method is that cathode square steel is entered using modes such as arc welding or gas shielded arc weldings
Row welding.So because whole Aluminum Electrolysis Production factory building is flooded with powerful non-directional magnetic field, the traditional welding under this kind strong magnetic environment
Method is difficult to carry out, and has serious arc blow to influence, it is virtually impossible to carry out normal weld job, weld defect is more, makes bottom land
Resistance increases, it is impossible to meet the quality requirement and Overhaul Quality after cathode square steel welding.In addition, also can not be complete with modes such as demagnetizations
The complete mixed and disorderly unordered magnetic field of effectively control direction.
The application of right electrolytic cell square steel sweat soldering technology overcomes the deficiency of prior art condition, it is to avoid strong magnetic disturbance
The problems such as appearance.The technology possesses that equipment is simple, small investment, and weld job is fast, suitable for being welded under complex environment.The present invention
It is a kind of electric tank cathode square steel welding iron-based Thermofusion welding agent used developed based on sweat soldering method, this kind of welding side
Method welding quality depend on hot melt solder chemical composition, its flux material used be determine welding quality quality performance it is main because
Element.
Current Thermofusion welding agent is applied to welding rail in high speed railway, rail of subway welding.When being welded with Thermofusion welding agent,
The demand of powdered exothermic welding flux can as the case may be determined.This kind of solder flux raw material constitutes high cost, is not suitable for the moon
Pole square steel welding.Other powdered object is generally required by can just be transported after relevant department's technical appraisement, transport it is inconvenient and
Cost of transportation is higher.So needs are improved to traditional powdered Thermofusion welding agent, to reduce packaging and cost of transportation, make weldering
Connect affected more convenient.
The content of the invention
The technical problem to be solved in the present invention is the defect for overcoming existing Thermofusion welding agent, there is provided one kind is cloudy for electrolytic cell
The iron-based Thermofusion welding agent of pole square steel welding.
In order to solve the above-mentioned technical problem, the invention provides following technical scheme：
A kind of iron-based Thermofusion welding agent, by weight percentage, is made up of following raw material：Croci 50-70%, 20-150 mesh；
Metallic aluminium powder 15-30%, 20-150 mesh；Calcirm-fluoride powder 0.5-5%, 40-150 mesh；Ferroalloy 2-8%, 40-100 mesh；Metallic iron
Powder 10-25%, 50-200 mesh；SiO 2 powder 0.1-2%, 40-100 mesh.
Preferably, described ferroalloy is ferromanganese, ferrosilicon, ferrochrome and/or vanadium iron.
It is highly preferred that based on the weight of iron-based Thermofusion welding agent, described ferroalloy is by ferromanganese 1.5-5.5%, ferrosilicon
0.3-1.5%, ferrochrome 0.1-0.5%, vanadium iron 0.1-0.5% are constituted.
Above-mentioned iron-based Thermofusion welding agent can be used for the sweat soldering of electric tank cathode square steel.
Self-propagating reaction in iron-based Thermofusion welding agent of the invention, alloy required for generating welding and enough there is after being ignited
Heat, after effective alloy and slag are kept completely separate, be melted from fused plug, complete welding process.So that welding cost it is cheap,
Operational sequence is easy, solves the problems such as complicated existing Related product high cost, operational sequence, operation inconvenience, is welded with this solder flux
After detect：Welding effect is good, the corrosion resistance and good of junction, electric conductivity strong, is less prone to loosening, comes off, electrolytic cell operation
Steadily, electric current is obvious by uniform, pressure drop effect, reduces maintenance cost and potential safety hazard, realizes without electric welding material
Promotion and application.Content and granularity and addition metal dust that the present invention passes through control material, effectively reduce the violent of reaction
Degree, makes the reaction time sufficient, reduces the possibility that reactant splashes.
Specific embodiment
The preferred embodiments of the present invention are illustrated below, it will be appreciated that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
Embodiment 1
A kind of iron-based Thermofusion welding agent, by weight percentage, is made up of following raw material：Croci 70%, 20-150 mesh；Gold
Category aluminium powder 15%, 20-150 mesh；Calcirm-fluoride powder 0.5%, 40-150 mesh；Ferroalloy 2.5%（Ferromanganese FeMn88C0.2 1.5%, silicon
Iron FeSi90Al1.5 0.3%, ferrochrome FeCr69C0.03 0.1%, vanadium iron FeV80-A 0.1%）, 40-100 mesh；Metal iron powder
End 10%, 50-200 mesh；SiO 2 powder 2%, 40-100 mesh.
Embodiment 2
A kind of iron-based Thermofusion welding agent, by weight percentage, is made up of following raw material：Croci 50%, 20-150 mesh；Gold
Category aluminium powder 30%, 20-150 mesh；Calcirm-fluoride powder 5%, 40-150 mesh；Ferroalloy 3%（Ferromanganese FeMn84C0.4 1.5%, ferrosilicon
FeSi75-A 1.5%）, 40-100 mesh；Metallic iron powder 10%, 50-200 mesh；SiO 2 powder 2%, 40-100 mesh.
Embodiment 3
A kind of iron-based Thermofusion welding agent, by weight percentage, is made up of following raw material：Croci 60%, 20-150 mesh；Gold
Category aluminium powder 20%, 20-150 mesh；Calcirm-fluoride powder 2%, 40-150 mesh；Ferroalloy 2.9%（Ferromanganese FeMn58 1.5%, ferrosilicon
FeSi90Al1.5 0.4%, ferrochrome FeCr67C6.0 0.5%, vanadium iron FeV50-A 0.5%）, 40-100 mesh；Metallic iron powder
15%, 50-200 mesh；SiO 2 powder 0.1%, 40-100 mesh.
Embodiment 4
A kind of iron-based Thermofusion welding agent, by weight percentage, is made up of following raw material：Croci 52.5%, 20-150 mesh；
Metallic aluminium powder 15%, 20-150 mesh；Calcirm-fluoride powder 1%, 40-150 mesh；Ferroalloy 6%（Ferromanganese FeMn78C2.0 5.5%, vanadium iron
FeV50-B 0.5%）, 40-100 mesh；Metallic iron powder 25%, 50-200 mesh；SiO 2 powder 0.5%, 40-100 mesh.
Embodiment 5
A kind of iron-based Thermofusion welding agent, by weight percentage, is made up of following raw material：Croci 58%, 20-150 mesh；Gold
Category aluminium powder 20%, 20-150 mesh；Calcirm-fluoride powder 1.5%, 40-150 mesh；Ferroalloy 2%（Ferrosilicon FeSi90Al1.5 1.5%, ferrochrome
FeCr69C0.03 0.5%）, 40-100 mesh；Metallic iron powder 18%, 50-200 mesh；SiO 2 powder 0.5%, 40-100 mesh.
Ferromanganese of the invention, ferrosilicon, ferrochrome, vanadium iron using the conventional trade mark, such as FeMn88C0.2, FeMn84C0.4,
FeMn84C0.7、FeMn78C2.0、FeMn58、FeSi75-A、FeSi65、FeSi90Al1.5、FeCr69C0.03、
FeCr55C4.0, FeCr67C6.0, FeV40-A, FeV50-A, FeV50-B, FeV80-A, but it is not limited to the above-mentioned ferroalloy trade mark.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art, it still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic.
All any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc., should be included in of the invention
Within protection domain.
Claims (4)
1. a kind of iron-based Thermofusion welding agent, by weight percentage, is made up of following raw material：Croci 50-70%, 20-150
Mesh；Metallic aluminium powder 15-30%, 20-150 mesh；Calcirm-fluoride powder 0.5-5%, 40-150 mesh；Ferroalloy 2-8%, 40-100 mesh；Metal
Iron powder 10-25%, 50-200 mesh；SiO 2 powder 0.1-2%, 40-100 mesh.
2. iron-based Thermofusion welding agent according to claim 1, it is characterised in that described ferroalloy is ferromanganese, ferrosilicon, ferrochrome
And/or vanadium iron.
3. iron-based Thermofusion welding agent according to claim 2, it is characterised in that based on the weight of iron-based Thermofusion welding agent,
Described ferroalloy is by ferromanganese 1.5-5.5%, ferrosilicon 0.3-1.5%, ferrochrome 0.1-0.5%, vanadium iron 0.1-0.5% composition.
4. the iron-based Thermofusion welding agent described in claim 1 is used for the sweat soldering of electric tank cathode square steel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611140209.3A CN106825986A (en) | 2016-12-12 | 2016-12-12 | A kind of iron-based Thermofusion welding agent |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611140209.3A CN106825986A (en) | 2016-12-12 | 2016-12-12 | A kind of iron-based Thermofusion welding agent |
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| CN106825986A true CN106825986A (en) | 2017-06-13 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040093984A1 (en) * | 2002-11-14 | 2004-05-20 | Kachik Robert Henry | Aluminothermic reduction mixtures |
| CN102528325A (en) * | 2012-01-10 | 2012-07-04 | 西安理工大学 | Welding material for quickly welding and repairing defects of large-sized QT500-7 nodular cast iron parts and method |
| CN102862005A (en) * | 2012-10-19 | 2013-01-09 | 成都桑莱特科技股份有限公司 | Thermit iron welding flux special for welding steel grounding materials and welding method thereof |
| CN103639589A (en) * | 2013-12-20 | 2014-03-19 | 武汉大学 | Aluminum-steel heat release welding method |
| CN104668815A (en) * | 2015-01-28 | 2015-06-03 | 武汉金泉铝热焊接器材有限公司 | Aluminum hot welding flux and welding method for welding cathode square steel of aluminum electrolytic baths in high-intensity magnetic field environments |
-
2016
- 2016-12-12 CN CN201611140209.3A patent/CN106825986A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040093984A1 (en) * | 2002-11-14 | 2004-05-20 | Kachik Robert Henry | Aluminothermic reduction mixtures |
| CN102528325A (en) * | 2012-01-10 | 2012-07-04 | 西安理工大学 | Welding material for quickly welding and repairing defects of large-sized QT500-7 nodular cast iron parts and method |
| CN102862005A (en) * | 2012-10-19 | 2013-01-09 | 成都桑莱特科技股份有限公司 | Thermit iron welding flux special for welding steel grounding materials and welding method thereof |
| CN103639589A (en) * | 2013-12-20 | 2014-03-19 | 武汉大学 | Aluminum-steel heat release welding method |
| CN104668815A (en) * | 2015-01-28 | 2015-06-03 | 武汉金泉铝热焊接器材有限公司 | Aluminum hot welding flux and welding method for welding cathode square steel of aluminum electrolytic baths in high-intensity magnetic field environments |
Non-Patent Citations (1)
| Title |
|---|
| 中国机械工程学会焊接学会: "《焊接手册 第1卷 焊接方法及设备 第3版》", 31 January 2008, 机械工业出版社 * |
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Application publication date: 20170613 |