CN106271215A - A kind of submerged arc welding flux material - Google Patents
A kind of submerged arc welding flux material Download PDFInfo
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- CN106271215A CN106271215A CN201510337937.2A CN201510337937A CN106271215A CN 106271215 A CN106271215 A CN 106271215A CN 201510337937 A CN201510337937 A CN 201510337937A CN 106271215 A CN106271215 A CN 106271215A
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- welding material
- oxide
- welding
- calcium
- manganese dioxide
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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
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
-
- 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
- B23K35/40—Making wire or rods for soldering or welding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The invention discloses a kind of submerged arc welding material, including the welding material of welding material and the steel construction of level Four steel reinforcement abutting joints, the following is title and the weight proportion of the title of various raw material and the welding material of weight proportion level Four steel reinforcement abutting joints: silicon dioxide (36%)；Manganese dioxide (8%)；Calcium fluoride (12%)；Calcium oxide (16%)；Magnesium oxide (13%)；The title of the welding material of aluminium oxide (15%) steel construction and weight proportion: manganese dioxide (16%)；Silicon dioxide (40%)；Calcium fluoride (9%)；Magnesium oxide (16%)；Calcium oxide (9%)；Aluminium oxide (10%).
Description
Technical field
The present invention relates to a kind of welding material, particularly relate to a kind of submerged arc welding material.
Background technology
At present, known submerged arc welding material main component and raw material consist of:
Sodium oxide magnesium oxide silicon oxide calcium oxide manganous silicate sodium silicate
The manufacture method of submerged arc welding flux material is essentially identical, it generally there is a problem that: the body surface welded by submerged arc welding flux material is not the most the most smooth, and the welding material consumption used there is also too high phenomenon, reason wherein or raw material, proportioning and exercise technique, it is known that, submerged arc welding material take exercise time the duration and degree of heating and time and raw material pro rate also it is critical that, just right pro rate also be improve welding material high-quality performance a big factor.Certainly, for different welding things, the proportioning raw materials when making solder flux is the most different, say, which type of welding thing just applies the solder flux of what model.
Summary of the invention
The purpose of the present invention aims to provide a kind of submerged arc welding material, and this welding material is the most not only without arc light, smoke dust, and solder side is smooth, and welding quality stable, welding productivity are high, consumption is few.
In order to achieve the above object, the submerged arc welding material of the present invention includes welding material and the welding for steel structure material two kinds of level Four steel reinforcement abutting joints.
The welding material of level Four steel reinforcement abutting joints is made up of following raw material:
Silicon dioxide manganese dioxide calcium fluoride
Calcia magnesia aluminium oxide
The welding material of steel construction is made up of following raw material:
Manganese dioxide silicon dioxide calcium fluoride
Magnesium oxide calcium oxide aluminium oxide
The welding material formula of level Four steel reinforcement abutting joints and relevant ratio, through test, each Ingredients Weight proportioning is as follows:
Silicon dioxide (36%) manganese dioxide (8%) calcium fluoride (12%)
Calcium oxide (16%) magnesium oxide (13%) aluminium oxide (15%)
The welding material formula of steel construction and relevant ratio, through test, each Ingredients Weight proportioning is as follows:
Manganese dioxide (16%) silicon dioxide (40%) calcium fluoride (9%)
Magnesium oxide (16%) calcium oxide (9%) aluminium oxide (10%)
The most each raw-material weight proportion is all precentagewise preparation, when making solder flux, can carry out weight proportion according to welding thing of different nature, and make graininess.
Basic processing technology:
The welding material of level Four steel reinforcement abutting joints is identical with the processing technology of the welding material of steel construction.
1, selecting one piece of smooth vacant lot in a special batching room is spice field, before batch turning, after staff need to clean up spice field, then dries up place with blower fan.
2, the raw material of various compositions is good according to the data scale of percentage ratio respectively, and pours into after spice field tentatively stirs respectively, more repeatedly stirs, until every kind of raw material mutually melts together in pouring blender into trolley in batches.
3, the raw material after stirring is transported to take exercise following the most in batches by trolley, and be calcined in material being poured into forge by motor crane, temper the direct-fired heater that stove is coke burning, temper the operating temperature in stove between 800 degree of-900 degree, in roasting process, being thermally equivalent in body of heater, this just requires that raw material must disperse to let go with the time of falling coke in body of heater.
4, in roasting process, flux can flow in cooling bay from the discharging opening of body of heater one side lower part, and carries out degree of depth cooling.
5, the granule after cooling screens in being transported to reciprocating gird by elevator, screens the granule between 10-60 mesh and is transported to the interim storeroom of product, and more than 10 mesh, 60 mesh particles below carry out classification and recycle.
6, the granule of interim storeroom rises in hopper the most respectively, and is dried by tape transport to dehydrator.
7, after drying operation completes, granule is carried out weighing and packing by being transported to Weighing system.
The chemical property of various raw materials, physical property and purposes are as follows:
It is as the criterion with publication with authoritative official books.
1, silicon dioxide
Chinese name: silicon dioxide
English name: SiO2
Chemical formula: SiO2
Silicon dioxide (chemical formula: SiO2) is a kind of acidic oxide, and corresponding hydras is silicic acid (H2SiO3).Silicon dioxide is the most important compound of silicon.Native silicon dioxide present on the earth accounts for the 12% of earth crustal mass, and its existing forms has crystal type and unformed two big classes, is referred to as Silicon stone.
Physical property: also known as Silicon stone, chemical formula SiO2.There are crystalline silica and amorphous silica two kinds in nature, crystalline silica is different because of crystal structure, is divided into quartz, tridymite and cristobalite three kinds.Pure quartz is clear crystal, and the quartz of big and transparent prism-shaped is crystal.If the crystal containing trace impurity is with different colours, there are amethyst, yellow quartz, smoky quartz etc..Common sand is tiny quartz crystal, has yellow ground (more iron tramp) and white sand (impurity is few, purer).In silica crystals, 4 valency electron and 4 oxygen atoms of silicon atom form 4 covalent bonds, silicon atom is positioned at the center of positive tetrahedron, 4 oxygen atoms are positioned on 4 drift angles of positive tetrahedron, many such tetrahedrons are connected further through the oxygen atom of drift angle, each oxygen atom is that two tetrahedrons have, and the most each oxygen atom and two silicon atoms combine.SiO2It is the simplest formula representing composition, is only the ratio of the atom number representing silicon and oxygen in silica crystals.Silicon dioxide is atomic crystal.
Chemical property: chemical property is more stable.Water insoluble the most not with water reaction.Acidic oxide, not with acid reaction.Gaseous hydrogen fluoride generates Gaseous silicon tetrafluoride with silicon dioxde reaction.With the dense strong base solution of heat or the alkali reaction of fusing generate silicate and water.Generation silicate is at high temperature reacted with Multimetal oxide.The character torpescence of silicon dioxide, it not with fluorine removal, fluohydric acid gas beyond halogen, hydrogen halides and sulphuric acid, nitric acid, perchloric acid effect (except hot strong phosphoric acid).Common strong phosphoric acid (pyrophosphoric acid in other words) is at high temperature corrodible silicon dioxide, generate heteropoly acid [2], melted borate or the most corrodible silicon dioxide of boric anhydride under high temperature, Given this character, borate may be used for the flux in ceramic sintering, in addition fluohydric acid gas can also make the acid that silicon dioxide dissolves, and generates hexafluosilicic acid soluble in water: SiO2+ 4HF=SiF4 ↑+2H.
Ecological data: generally do not endanger water, if anarchy license, does not enter surrounding by material.
2, manganese dioxide
Chinese name: manganese dioxide
English name: manganese dioxide
Chemical formula: Mno
Manganese dioxide (nature exists with pyrolusite form).Physical behavior: black amorphous powder, or black rhomboidal crystal.Dissolubility: be insoluble in water, weak acid, weak base, nitric acid, cold sulphuric acid, be dissolved in concentrated hydrochloric acid and produce chlorine.
Chemical property: Acidity of Aikalinity: manganese dioxide is amphoteric oxide, it is black powder solid highly stable under a kind of room temperature, can be as the depolarizing agent of aneroid battery.Deposit laboratory and often utilize its oxidisability, and dense HCI effect is to produce chlorine:
Manganese dioxide is a kind of strong oxidizer in acid part medium.
Manganese dioxide is [MnO2] octahedra, oxygen atom on top, octahedra angle, manganese atom in octahedron, [MnO2] octahedron rib altogether connects formation strand or double-strand, these chains and other chain push up altogether, interstitial tunnel structure, octahedra or one-tenth hexagonal closs packing, or become cubic closest packing.
Manganese dioxide is a kind of amphoteric oxide, there is the BaMnO of correspondence3Or SrMnO3The pro forma salt (being obtained by the combination reaction in molten alkali systems) [2] of such perovskite structure, there is also manganese tetrachloride.
Organic synthesis purposes: manganese dioxide is particularly useful among organic chemistry.The titanium dioxide manganese fraction being used for oxide differs, because manganese dioxide has multiple crystal habit, chemical formula can be write as MnO2-x(H2O) n, wherein x is situated between 0 to 0.5, and n can be more than 0.Manganese dioxide can potassium permanganate (KMnO under different pH4) and manganese sulfate (MnSO4) reaction among produce.The manganese dioxide precipitate thing of coffee color is the most dry and the most active.Maximally effective organic molten include aroma substance, carbon tetrachloride, ether, oxolane and esters etc..
3, magnesium oxide
English name: Magnesium oxide
Another name: magnesia；Lamp powder；Magnesia usta
Chemical formula: Mgo
Magnesium oxide is the oxide of magnesium, a kind of ionic compound.It it is a kind of white solid under room temperature.Magnesium oxide is present in nature with periclase form, is the raw material of smelting magnesium.
Character: magnesium oxide is basic anhydride, has the general character of basic anhydride, belongs to Binder Materials.White or pale yellow powder, odorless, tasteless, nontoxic, it is typical alkaline earth oxide, chemical formula MgO.White powder, fusing point is 2852 DEG C, and boiling point is 3600 DEG C, and relative density is 3.58 (25 DEG C).It is dissolved in acid and ammonium salt solution.Exposing in atmosphere, easily absorb moisture and carbon dioxide and be increasingly becoming basic magnesium carbonate, lightweight product heavier product faster, are combined with water and generate magnesium hydroxide under certain condition, react in alkalescence, and the pH of saturated aqueous solution is 10.3.It is dissolved in acid and ammonium salt is insoluble in water, its solution alkaline.Insoluble in ethanol.Strong refraction is had in near-ultraviolet range visible.Magnesite (MgCO3), dolomite (MgCO3·CaCO3) and sea water be produce magnesium oxide primary raw material.Thermal decomposition magnesite or dolomite obtain magnesium oxide.Processing sea water with slaked lime and obtain magnesium hydrate precipitate, calcination magnesium hydroxide obtains magnesium oxide.
Product classification: point light magnesium oxide and heavy-burned magnesia two kinds.Lightweight volume loosens, for white amorphous powder.Odorless, tasteless is nontoxic.Density 3.58g/cm3.Being insoluble in pure water and organic solvent, in water, dissolubility increases because of the existence of carbon dioxide.Acid, ammonium salt solution can be dissolved in.It is converted into crystalline solid through high temperature sintering.Meet the carbon dioxide in air and generate magnesium carbonate double salt.Heavy volume is tight, for white or Beige powder.Chemical combination easy with water, dew is empty in gas and easily absorbs moisture and carbon dioxide.Easy gel hardening is mixed with magnesium chloride solution.
Application:
Main uses: can be as the use of fire retardant, tradition fire proofing, the flame-retardant mixture that widely used halogen containing polymers or halogen containing flame-retardant combine.
4, calcium oxide
Chinese name: calcium oxide
English name: calcium oxide
Another name: quick lime
Chemical formula: Cao
Being a kind of inorganic compound, its chemical formula is CaO, popular name quick lime.Physical property is superficial white powder, and impure person is canescence, is faint yellow or Lycoperdon polymorphum Vitt, has hygroscopicity during containing impurity.
Physical property: white or band Lycoperdon polymorphum Vitt bulk or granule.It is dissolved in acids, glycerol and sucrose solution, is practically insoluble in ethanol.Relative density 3.32～3.35.Fusing point 2572 DEG C.Boiling point 2850 DEG C.Index of refraction 1.838
Chemical property: calcium oxide is basic anhydride, to wet sensitive sense.Easily absorbing carbon dioxide and moisture from air.Generation calcium hydroxide (Ca (OH) is reacted with water2) and produce big calorimetric, it is corrosive.
CaO+H2O==Ca (OH)2
5, calcium fluoride
Chinese name: calcium fluoride
English name: Calciumfluoride, Fluorspar
Another name: fluorite, fluorite
Chemical formula: CaF2
Physicochemical property: crystal structure: belong to isometric system, in cube, octahedron or dodecahedron.Colourless crystallization or white powder, containing impurity in natural crystal, bit greenish or purple.Luminescence during heating.Density 3.18 grams per cubic centimter, fusing point 1402 DEG C, boiling point 2497 DEG C, index of refraction 1.434.Low toxicity.Extremely difficult it is dissolved in water.Dissolve in hydrochloric acid, Fluohydric acid., sulphuric acid, nitric acid and ammonium salt solution, insoluble in acetone.Forming complex when being dissolved in aluminium salt and iron salt solutions, the concentrated sulphuric acid effect with heat generates Fluohydric acid..Calcium fluoride can prepare fluohydric acid gas with concentrated sulphuric acid reacts in lead castle.Eutectic can be formed with Multimetal oxide.
Purposes: the purposes of calcium fluoride is quite varied, along with the progress of science and technology, application prospect is more and more wide.It is currently used primarily in metallurgy, chemical industry and the big industry of building materials three, secondly for light industry, optics, engraving and national defense industry.
6, aluminium oxide
Chinese name: aluminium oxide
English name (Aluminium oxide/Aluminum oxide)
Another name: aluminium sesquioxide, corundum, Alumina, alumina
Chemical formula: Al2O3
Character: be insoluble in the white solid of water, odorless, tasteless, matter is extremely hard, the easy moisture absorption and not deliquescence (calcination non-hygroscopic).Amphoteric oxide, can be dissolved in mineral acid and alkaline solution, is practically insoluble in water and non-polar organic solvent；Relative density (d204) 4.0: fusing point 2050 DEG C.
Main uses: as analytical reagent, the dehydration of organic solvent, adsorbent, organic reaction catalyst, grinding agent, polishing agent, the raw material of smelting aluminum, refractory material.
Detailed description of the invention
The present invention is further elaborated by the example below in conjunction with two kinds of welding materials.
The present invention includes welding material and the steel construction special welding material two kinds of level Four steel reinforcement abutting joints.
Welding material raw material and the weight proportion of level Four steel reinforcement abutting joints be presented herein below:
Silicon dioxide (36%) manganese dioxide (8%) calcium fluoride (12%)
Calcium oxide (16%) magnesium oxide (13%) aluminium oxide (15%)
Welding material raw material and the weight proportion of steel construction be presented herein below:
Manganese dioxide (16%) silicon dioxide (40%) calcium fluoride (9%)
Magnesium oxide (16%) calcium oxide (9%) aluminium oxide (10%)
The technique of welding material and performance illustrate:
(1) this welding material has good metallurgical performance, being equipped with suitable welding wire and rational welding procedure during welding, weld metal should be able to obtain suitable chemical composition and good mechanical property (intensity adapted with mother metal and higher plasticity, toughness) and stronger anti-cold crack and the ability of fire check.
(2) to have good manufacturability, arc burning stable for this welding material, and slag has suitable fusing point, viscosity and surface tension.Fully fusing between welding bead and welding bead and between welding bead and mother metal, transitions smooth does not has obvious undercut, and de-slag is easy, and appearance of weld is good, and the harmful gas produced in welding process is few.
(3) this welding material has certain granularity, and should have certain granule strength, is beneficial to repeatedly reclaim use.The granularity of solder flux is divided into two kinds: the granularity of plain particles degree solder flux is 2.5-0.45mm (8-40 mesh), for common submerged-arc welding and electroslag welding；The granularity of fine granularity solder flux is 1.25-0.28mm (14-60 mesh), it is adaptable to semi-automatic or filament submerged-arc welding.Wherein it is not more than 5% less than the fine grained below designated size 60 mesh, it is stipulated that thick grain husk grain more than granularity 14 mesh is not more than 2%.
(4) this welding material has relatively low water content and good moisture resistance.The mass fraction of solder flux water content of dispatching from the factory cannot be greater than 0.10%, and solder flux is condition in the environment of temperature 25 DEG C, relative humidity 70%, prevents 24h, and moisture absorption ratio not should be greater than 0.15%.
(5) this welding material has relatively low S, P content, generally S≤0.06%, P≤0.08%.
The welding material of level Four reinforcing bar is raw materials used with the welding material of steel construction identical, but weight proportion is different, respectively selects an example:
1, the welding material embodiment of level Four reinforcing bar:
Attic body frame (level Four steel reinforcement abutting joints) construction of certain large-scale mall shows, this flux material is used to weld, steel reinforcement abutting joints face does not has particle arc ripple, and smooth, the fine and smooth and required welding material of comprehensive junction at least saves 1/5th than common welding material.
2, the welding material Materials Example of steel construction:
Showing in the construction of certain large steel-strctrue building, using this welding material, either the solder side of ceiling or body frame, side frame is smooth, not rising concavo-convex, for whole seam, its docking is steadily, fixed and required welding material at least saves 1/3rd than common welding material.
Claims (1)
1. a submerged arc welding material, including welding material and the welding material of steel construction of level Four steel reinforcement abutting joints, the following is each
Plant title and the weight proportion of raw material
The title of the welding material of level Four steel reinforcement abutting joints and weight proportion:
Silicon dioxide (36%) manganese dioxide (8%) calcium fluoride (12%) calcium oxide (16%) magnesium oxide (13%)
Aluminium oxide (15%)
The title of the welding material of steel construction and weight proportion:
Manganese dioxide (16%) silicon dioxide (40%) calcium fluoride (9%) magnesium oxide (16%) calcium oxide (9%)
Aluminium oxide (10%)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510337937.2A CN106271215A (en) | 2015-06-10 | 2015-06-10 | A kind of submerged arc welding flux material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510337937.2A CN106271215A (en) | 2015-06-10 | 2015-06-10 | A kind of submerged arc welding flux material |
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| CN106271215A true CN106271215A (en) | 2017-01-04 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1559746A (en) * | 2004-02-08 | 2005-01-05 | 湖南省永州市哈陵焊接器材有限责任公 | Flux special for pressure electroslag welding of reinforced steed bar |
| CN102387890A (en) * | 2009-04-10 | 2012-03-21 | 新日本制铁株式会社 | Highly basic fused flux for submerged arc welding |
| CN103008918A (en) * | 2012-12-17 | 2013-04-03 | 四川大西洋焊接材料股份有限公司 | Submerged-arc welding flux for high-strength steel with strength not smaller than 780MPa, manufacture method and welding wire |
| CN103846577A (en) * | 2014-03-26 | 2014-06-11 | 锦州天鹅焊材股份有限公司 | Soldering flux for submerged arc soldering of X100 pipeline steel and preparation method thereof |
| CN104551446A (en) * | 2014-12-15 | 2015-04-29 | 四川大西洋焊接材料股份有限公司 | Submerged arc welding flux for welding SA-508Gr.3Cl.1 steel of third-generation nuclear power equipment and preparation method thereof |
| CN104588916A (en) * | 2014-05-13 | 2015-05-06 | 石家庄铁道大学 | Double-slag-system high toughness high speed submerged-arc welding sintered flux for X100 pipeline steel and preparation method |
| JP2015085331A (en) * | 2013-10-28 | 2015-05-07 | 新日鐵住金株式会社 | Submerged arc weld metal excellent in ultralow-temperature toughness, and submerged arc welding wire and flux forming the same |
-
2015
- 2015-06-10 CN CN201510337937.2A patent/CN106271215A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1559746A (en) * | 2004-02-08 | 2005-01-05 | 湖南省永州市哈陵焊接器材有限责任公 | Flux special for pressure electroslag welding of reinforced steed bar |
| CN102387890A (en) * | 2009-04-10 | 2012-03-21 | 新日本制铁株式会社 | Highly basic fused flux for submerged arc welding |
| CN103008918A (en) * | 2012-12-17 | 2013-04-03 | 四川大西洋焊接材料股份有限公司 | Submerged-arc welding flux for high-strength steel with strength not smaller than 780MPa, manufacture method and welding wire |
| JP2015085331A (en) * | 2013-10-28 | 2015-05-07 | 新日鐵住金株式会社 | Submerged arc weld metal excellent in ultralow-temperature toughness, and submerged arc welding wire and flux forming the same |
| CN103846577A (en) * | 2014-03-26 | 2014-06-11 | 锦州天鹅焊材股份有限公司 | Soldering flux for submerged arc soldering of X100 pipeline steel and preparation method thereof |
| CN104588916A (en) * | 2014-05-13 | 2015-05-06 | 石家庄铁道大学 | Double-slag-system high toughness high speed submerged-arc welding sintered flux for X100 pipeline steel and preparation method |
| CN104551446A (en) * | 2014-12-15 | 2015-04-29 | 四川大西洋焊接材料股份有限公司 | Submerged arc welding flux for welding SA-508Gr.3Cl.1 steel of third-generation nuclear power equipment and preparation method thereof |
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Application publication date: 20170104 |
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