CN108687424A - A kind of portable underwater wet method is without electricity welding method - Google Patents
A kind of portable underwater wet method is without electricity welding method Download PDFInfo
- Publication number
- CN108687424A CN108687424A CN201710242926.5A CN201710242926A CN108687424A CN 108687424 A CN108687424 A CN 108687424A CN 201710242926 A CN201710242926 A CN 201710242926A CN 108687424 A CN108687424 A CN 108687424A
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- welding
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- under water
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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
- B23K9/00—Arc welding or cutting
- B23K9/0061—Underwater arc 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
- B23K9/235—Preliminary treatment
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Nonmetallic Welding Materials (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a kind of portable underwater wet methods without electricity welding method, suitable for battlefield etc. in emergency circumstances naval vessel and ocean engineering submerged structure emergent welding repair, this method carries out Underwater Welding and only needs under water without electric welding welding rod special for special, the welding rod is by powder column, shell, waterproof layer, plug and pilot section are constituted, 10~25mm of diameter, 100~300mm of length, other outside resources and equipment are not necessarily to when welding, it is easy to carry, it is easy to operate, it can be in situ, reliably welding repairing is carried out to damaging metal component under water, it can effectively solve the problem that existing underwater welding method equipment is heavy, it be unable to do without power supply, the problem of maneuverability difference.
Description
Technical field
It is especially a kind of using under water without the progress wet method welding of electric welding welding rod special for special the present invention relates to a kind of welding method
Portable underwater wet method without electricity welding method.
Background technology
Underwater Welding is indispensable important process means in offshore engineering structure construction installation, maintenance construction, and
Naval vessels wartime emergency first-aid repair and usually one of marine essential important technology of repair.
Underwater Welding is divided into dry method welding, local dry cavity welding and wet method according to welding surroundings and welds three classes.Dry method welding
It carries out in pressure chamber or operating room, is arranged the water in cabin using gas, welder applies in dry or relatively dry environment
Weldering, welding surroundings are similar to land welding, easily reach higher welding quality, but required equipment it is complicated, it is huge, heavy, make
Valence is high, and the preparatory period is long, and needs reliable life support system and more support staff.Local dry cavity welding is to utilize row
Water cover locally arranges the water around workpiece to be welded, is welded in smaller gaseous environment and carries out, simple compared with dry method welding
It is easy, but need dedicated unit, drainage equipment and power supply.Both the above method cannot meet under condition of battlefield that naval vessel is emergent to be robbed
Repair the demand to welding operation maneuverability.Wet method welding is in water directly to workpiece welding, with dry method and local dry cavity
Welding is compared, and has many advantages, such as that equipment is simple, of low cost, operation is flexible, adaptable, but wet method welds common medicine at present
Percutaneous electrode arc welding and flux cored wire arc welding be unable to do without large power supply, and welder dives under water need to grow long electricity in tow when welding
Cable, and welding machine is heavy, limits the maneuverability of welding, and underwater electric arc is welded with Danger Electric shock risk, therefore, these welding
Method cannot all meet the needs in battlefield and in emergency circumstances naval vessel and the emergent welding maneuverability of marine facility.
The present invention provides a kind of portable underwater wet methods without electricity welding method, and this method carries out Underwater Welding and only needs water
Lower no electric welding welding rod special for special, be not necessarily to other outside resources and equipment, it is easy to carry, easy to operate, can in situ, reliably to water
Lower damage metal component carries out emergent welding repair, and it is heavy, too busy to get away can to efficiently solve existing underwater welding method equipment
The problem of power supply, maneuverability difference.
Invention content
The object of the present invention is to provide a kind of underwater wet welding method, this method is not required to outside resources and equipment, carries
It is convenient, easy to operate, mobility and adaptable, the emergent welding dimension applied to Ship Equipment and ocean engineering submerged structure
It repaiies.
In order to solve the above technical problems, the technical solution adopted is that:
A kind of portable underwater wet method is provided without electricity welding method, it is characterised in that the welding method includes the following steps:
1) metal component surface to be welded is cleared up;
2) will it be directed at position to be welded without electric welding welding rod special for special under water, will be ignited using pilot section special without electric welding under water
Welding rod carries out underwater wet welding;
3) de- Slag treatment is carried out;
4) multi-pass welding is carried out when necessary.
It only needs not needing other energy without electric welding welding rod special for special under water when the welding method is welded and set
It is standby.
It is described to be made of under water powder column, shell, waterproof layer, plug and pilot section without electric welding welding rod special for special, diameter 10
~25mm, 100~300mm of length match casing outside.
The powder column under water without electric welding welding rod special for special by powdered welding agent mixing pressurization be made, welding agent include fuel,
Oxidant, slag former, gas-forming agent, alloying constituent, deoxidier and diluent, the fuel include Mg powder, Al powder, Mn powder, B powder, C powder
Or combination thereof, the percentage for accounting for welding agent weight are 8%~15%;The oxidant includes CuO, Fe3O4,Fe2O3,B2O3,
WO3,TiO2,ZrO2,CrO3,SiO2, ZnO or combination thereof, the percentage for accounting for welding agent weight is 60%~70%;The slag making
Agent includes CaO, SiO2,P2O5,Cr2O3And its minerals or combination thereof, the percentage for accounting for welding agent weight are 5%~7%;
The gas-forming agent includes that agent includes CaCO3,MgCO3,BaCO3,CaMg(CO3)2,CaF2,NaF,MgF2,BaF2,Na3AlF6And its
Minerals or combination thereof, the percentage for accounting for welding agent weight are 4%~6%;The alloying constituent include Fe, Ni, W, Mo, Mn,
La, Ti, Zr, Cr, Nd and its iron alloy powder or combination thereof, the percentage for accounting for welding agent weight are 3%~5%;The deoxidation
Agent includes ferromanganese, ferrosilicon, ferrotianium, aluminium powder or combination thereof, and the percentage for accounting for welding agent weight is 2.5%~4%;The dilution
Agent includes CuO, Fe2O3,Fe3O4,KNO3Or combination thereof, the percentage for accounting for welding agent weight are 2%~5%.
The waterproof layer under water without electric welding welding rod special for special is made of polypropylene or polyvinyl chloride or Aluminum Coating.
The pilot section under water without electric welding welding rod special for special is by medicine block and match board head, battery, the point with conducting wire of igniting
Dynamic switch is constituted;The medicine block of igniting by igniting medicinal powder and bonding agent mixing is made, medicinal powder of igniting include Mg powder, Al powder, Mn powder,
B powder and CuO, Fe2O3, ZnO, bonding agent includes coating agent which has to be dissolved in alcohol before use and alcohol mixture, celluloid and alcohol mixture, collodion and ethyl alcohol
Mixture;The match board head with conducting wire is constituted by wrapping up in ignition powder outside electric incendiary material, is connected with conducting wire.
The mode that manual arc manipulation can be used in the welding method is welded, and also welding rod can be clamped by simple mechanism carries out
Welding.
Portable underwater wet method provided by the invention has the following advantages and feature without electricity welding method:
(1) after welding rod is ignited, combustion reaction occurs for fuel and oxidant, welding institute calorific requirement is provided, without extraneous energy
Amount input, welding do not need electric energy and air source, eliminate heavy equipment.
(2) welding material only needs under water without electric welding welding rod special for special, and small volume and less weight is easy to carry about with one, using flexible.
(3) easy to operate, it is not required to professional welder, warship person or diver only need simple training, you can welding.
(4) it is of the same race or different metal materials that mild steel, medium carbon steel, steel alloy, high-strength marine structural steel etc. can be achieved
The welding of a variety of proximate matters such as welding and plank, steelframe, plate-pipe, bar-bar, pipe-pipe, can also realize crack and pipeline hole etc.
Leak stopping, it is adaptable.
(5) welding is reliable, and mechanical performance meets the needs of emergency first-aid repair.
These characteristics ensure that portability, flexibility, adaptability and the reliability of welding, be applied to naval vessel and ocean engineering
Emergency maintenance, warship person's grade maintenance ability can be improved, to completing the emergency first-aid repair on wartime naval vessel, the rapid equipment that restores is made
War efficiency, and usually marine emergency maintenance, extension lie up maintenance cycle, raising naval vessel in boat rate, reduction maintenance cost, with weight
The military significance and economic benefit wanted.
Description of the drawings:
Fig. 1 is the appearance assumption diagram under water without electric welding welding rod special for special.
Fig. 2 is the structure chart after being splitted under water without electric welding welding rod special for special.
Fig. 3 is the structure chart of casing.
Specific implementation mode:
The present invention is described in further detail With reference to embodiment.
The present invention is a kind of wet method for underwater emergency welding without electricity welding method, and welding material used is under water without electricity
Weld welding rod special for special.
Embodiment 1
The present embodiment provides a kind of underwater emergency welding methods, and wet method is carried out without electric welding to 5mm thickness Q235 steel plates.It is used
Welding material is under water without electric welding welding rod special for special, and structure refers to Fig. 1 and Fig. 2.
By weight, by Al powder 5g (- 250 mesh), Mg powder 3g (- 250 mesh), B powder 2g (- 200 mesh), CuO powder 35g (-
200 mesh), Fe2O3Powder 15g (- 200 mesh), SiO2Powder 1.2g (- 100 mesh), Cr2O3Powder 2g (- 200 mesh), CaO powder
1.5g (- 80 mesh), CaF2Powder 2g (- 160 mesh), CaCO3Powder 1.5g (- 160 mesh), W powder 1g (- 200 mesh), CrFe powder 2g (-
80 mesh), MnFe powder 1.5g (- 80 mesh), TiFe powder 1.2g (- 80 mesh), KNO3Powder 1g (- 80 mesh) is mixed in three-dimensional material mixer
It closes uniformly, 200 DEG C are toasted 2 hours, and press molding is mounted with plastics or steel circular cylindrical in diameter 16mm, the one end length 160mm
In the papery shell 4 of plug 1, powder column 5 is formed, and 4mm is remained in end.By weight, by Mg powder 0.8 (- 250 mesh), Al
Powder 1g (- 250 mesh), CuO powder (- 200 mesh) 4.8g, KNO3Powder 0.3g (- 80 mesh) is uniformly mixed, and celluloid and ethyl alcohol is added
Mixture (weight ratio 3: 7) 10ml, stirs evenly, and diameter 15mm cylinders with holes are made and ignite medicine block 301, will be with conducting wire
Match board head 302 inserts in the hole, and is fixed with bonding agent, naturally dry or drying, is installed on the reserved place of 4 end of welding rod papery shell
It sets, waterproof coating 2 is formed using polyvinyl chloride particles plastic-spraying, by match board head 302 conducting wire and battery 303 and point driving switch 304
Connection composition closed circuit, is made mild steel under water without electric welding welding rod special for special.
Implement welding in the steps below later:Clear up Q235 surface of steel plate greasy dirt to be welded and corrosion;Test plate (panel) is waited for into weld ddge pair
It connects and is placed in water-bath;Welding rod casing 6 is plugged on welding rod plug 1, casing 6 is held, by welding rod equipped with igniting the one of medicine block 301
End is directed at test plate (panel) one end to be welded;Point driving switch 304 is pressed, match board head 302 burns, medicine block 301 of igniting of igniting, medicine block of igniting 301
Burn the welding rod powder column 5 that ignites, and using the arc manipulation method of manual electric arc welding, welding rod, while transfer weldering downwards are moved along bead direction
Item ensures burning arc length 10mm or so, until welding rod all burnt;Carry out de- Slag treatment;Multi-pass welding is carried out when necessary.
Postwelding measures connector tensile strength:270MPa or so.
Embodiment 2
The present embodiment provides a kind of underwater emergency welding methods, and wet method is carried out without electric welding to 3mm thickness E32 structural steel and irons peculiar to vessel
It connects.Welding material used is under water without electric welding welding rod special for special, and structure refers to Fig. 1 and Fig. 2.
By weight, by Al powder 4.1g (- 250 mesh), Mn powder 1.4g (- 250 mesh), B powder 2.1g (- 200 mesh), CuO powder
Last 19.4g (- 200 mesh), Fe2O3Powder 11g (- 200 mesh), ZrO2Powder 4g (- 200 mesh), SiO2Powder 1.2g (- 100 mesh),
Cr2O3Powder 1g (- 200 mesh), CaO powder 0.8g (- 80 mesh), NaF powder 1.2g (- 160 mesh), CaCO3Powder 1g (- 160
Mesh), W powder 0.5g (- 200 mesh), CrFe powder 0.5g (- 80 mesh), MnFe powder 1.2g (- 80 mesh), Ni powder 1g (- 160 mesh), SiFe powder
0.8g (- 80 mesh), KNO3Powder 0.5g (- 80 mesh), in three-dimensional material mixer be uniformly mixed, 200 DEG C toast 2 hours, pressurization at
Shape is mounted in diameter 11mm, the one end length 160mm in the papery shell 4 of plastics or steel circular cylindrical plug 1, forms powder column 5,
And remain 4mm in end.By weight, by B powder 1g (- 250 mesh), Al powder 0.8g (- 250 mesh), CuO powder (- 200 mesh)
4.5g,KNO3Powder 0.4g (- 80 mesh) is uniformly mixed, and collodion and alcohol mixture (volume ratio 2: 3) 10ml is added, and stirring is equal
It is even, diameter 11mm cylinders with holes are made and ignite medicine block 301, the match board head 302 with conducting wire is inserted in the hole, it is solid with bonding agent
Fixed, naturally dry or drying are installed on the reserved location of electrode tip papery shell 4, are formed using PP GRANULES plastic-spraying anti-
Match board head 302 is connect composition closed circuit with conducting wire with battery 303 and point driving switch 304, it is high-strength that hull is made by water coating 2
Without electric welding welding rod special for special under molten steel.
Implement welding in the steps below later:Clear up E32 surface of steel plate greasy dirt to be welded and corrosion;Test plate (panel) is waited for that weld ddge is docked
It is placed in water-bath;Welding rod casing 6 is plugged on welding rod plug 1, casing 6 is held, welding rod is equipped with to the one end for medicine block 301 of igniting
It is directed at test plate (panel) one end to be welded;Point driving switch 304 is pressed, match board head 302 burns, and medicine block 301 of igniting of igniting, medicine block of igniting 301 is fired
The burning welding rod powder column 5 that ignites moves welding rod, while transferring welding rod downwards using the arc manipulation method of manual electric arc welding along bead direction,
Ensure burning arc length 10mm or so, until welding rod all burnt;Carry out de- Slag treatment;Multi-pass welding is carried out when necessary.
Postwelding measures connector tensile strength:320MPa or so.
Above-described embodiment is only to illustrate examples of the invention to be clear, and be not the embodiment party to the present invention
The restriction of formula.For those of ordinary skill in the art, other not similar shapes can also be made on the basis of the above description
The variation or variation of formula.There is no need and unable to be exhaustive to all embodiments.It is all to use equivalent substitution or equivalent transformation
The technical solution of formation, should be included within the protection of the claims in the present invention.
Claims (7)
1. a kind of portable underwater wet method is without electricity welding method, it is characterised in that the welding method includes the following steps:
1) metal component surface to be welded is cleared up;
2) will it be directed at position to be welded without electric welding welding rod special for special under water, will be ignited under water without the special weldering of electric welding using pilot section
Item carries out underwater wet welding;
3) de- Slag treatment is carried out;
4) multi-pass welding is carried out when necessary.
2. welding method according to claim 1, it is characterised in that:It is only needed when the welding method is welded underwater
Without electric welding welding rod special for special, other energy and equipment are not needed.
3. welding method according to claim 1, it is characterised in that:It is described under water without electric welding welding rod special for special by powder column,
Shell, waterproof layer, plug and pilot section are constituted, 10~25mm of diameter, 100~300mm of length, match casing outside.
4. welding method according to claim 1, it is characterised in that:The powder column under water without electric welding welding rod special for special by
Powdered welding agent mixing pressurization is made, and welding agent includes fuel, oxidant, slag former, gas-forming agent, alloying constituent, deoxidier and dilution
Agent, the fuel include Mg powder, Al powder, Mn powder, B powder, C powder or combination thereof, account for welding agent weight percentage be 8%~
15%;The oxidant includes CuO, Fe3O4,Fe2O3,B2O3,WO3,TiO2,ZrO2,CrO3,SiO2, ZnO or combination thereof,
The percentage for accounting for welding agent weight is 60%~70%;The slag former includes CaO, SiO2,P2O5,Cr2O3,V2O5And its mineral
Matter or combination thereof, the percentage for accounting for welding agent weight are 5%~7%;The gas-forming agent includes CaCO3,MgCO3,BaCO3,
CaMg(CO3)2,CaF2,NaF,MgF2,BaF2,Na3AlF6And its minerals or combination thereof, account for the percentage of welding agent weight
It is 4%~6%;The alloying constituent includes Fe, Ni, W, Mo, Mn, La, Ti, Zr, Cr, Nd and its iron alloy powder or their group
It closes, the percentage for accounting for welding agent weight is 3%~5%;The deoxidier includes ferromanganese, ferrosilicon, ferrotianium, aluminium powder or their group
It closes, the percentage for accounting for welding agent weight is 2.5%~4%;The diluent includes CuO, Fe2O3,Fe3O4,KNO3Or their group
It closes, the percentage for accounting for welding agent weight is 2%~5%.
5. welding method according to claim 1, it is characterised in that:The waterproof layer under water without electric welding welding rod special for special
It is made of polypropylene or polyvinyl chloride or Aluminum Coating.
6. welding method according to claim 1, it is characterised in that:The portion of igniting without electric welding welding rod special for special under water
Point by igniting medicine block and match board head, battery, point driving switch with conducting wire is constituted;The medicine block of igniting is by medicinal powder and the bonding agent of igniting
Mixing is made, and medicinal powder of igniting includes Mg powder, Al powder, Mn powder, B powder and CuO, Fe2O3, ZnO, it is mixed with ethyl alcohol that bonding agent includes coating agent which has to be dissolved in alcohol before use
Close object, celluloid and alcohol mixture, collodion and alcohol mixture;The match board head with conducting wire outside electric incendiary material by wrapping up in
Ignition powder is constituted, and is connected with conducting wire.
7. welding method according to claim 1, it is characterised in that:The mode that manual arc manipulation can be used is welded,
Welding rod can be clamped by simple mechanism to be welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710242926.5A CN108687424A (en) | 2017-04-10 | 2017-04-10 | A kind of portable underwater wet method is without electricity welding method |
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| CN201710242926.5A CN108687424A (en) | 2017-04-10 | 2017-04-10 | A kind of portable underwater wet method is without electricity welding method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112139658A (en) * | 2019-06-28 | 2020-12-29 | 中国人民解放军陆军工程大学 | Portable passive welding bomb and using method thereof |
| CN113004106A (en) * | 2021-05-11 | 2021-06-22 | 山东军浩苑环保科技有限公司 | Priming powder and firing cable for electroless cutting and preparation method thereof |
| CN113714610A (en) * | 2021-08-03 | 2021-11-30 | 中国人民解放军陆军工程大学 | Double-welding-rod welding method applied to thick plate welding |
| CN113714611A (en) * | 2021-08-03 | 2021-11-30 | 中国人民解放军陆军工程大学 | Self-propagating welding rod material adopting double-source heat input method and preparation method |
| CN113967773A (en) * | 2021-10-29 | 2022-01-25 | 江苏大学 | Ultrasonic frequency pulse auxiliary arc welding method for dissimilar steel in underwater wet environment |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112139658A (en) * | 2019-06-28 | 2020-12-29 | 中国人民解放军陆军工程大学 | Portable passive welding bomb and using method thereof |
| CN113004106A (en) * | 2021-05-11 | 2021-06-22 | 山东军浩苑环保科技有限公司 | Priming powder and firing cable for electroless cutting and preparation method thereof |
| CN113004106B (en) * | 2021-05-11 | 2022-07-22 | 山东军浩苑环保科技有限公司 | Priming powder and firing cable for electroless cutting and preparation method thereof |
| CN113714610A (en) * | 2021-08-03 | 2021-11-30 | 中国人民解放军陆军工程大学 | Double-welding-rod welding method applied to thick plate welding |
| CN113714611A (en) * | 2021-08-03 | 2021-11-30 | 中国人民解放军陆军工程大学 | Self-propagating welding rod material adopting double-source heat input method and preparation method |
| CN113714610B (en) * | 2021-08-03 | 2023-01-10 | 中国人民解放军陆军工程大学 | Double-welding-rod welding method applied to thick plate welding |
| CN113714611B (en) * | 2021-08-03 | 2023-03-10 | 中国人民解放军陆军工程大学 | Double-source heat input self-propagating welding method |
| CN113967773A (en) * | 2021-10-29 | 2022-01-25 | 江苏大学 | Ultrasonic frequency pulse auxiliary arc welding method for dissimilar steel in underwater wet environment |
| CN113967773B (en) * | 2021-10-29 | 2024-01-05 | 江苏大学 | Ultrasonic frequency pulse assisted arc welding method for dissimilar steel in underwater wet environment |
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