CN107883073B - A kind of prestressed concrete pipe pile construction longitudinal submerged arc welded pipe - Google Patents
A kind of prestressed concrete pipe pile construction longitudinal submerged arc welded pipe Download PDFInfo
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- CN107883073B CN107883073B CN201711022721.2A CN201711022721A CN107883073B CN 107883073 B CN107883073 B CN 107883073B CN 201711022721 A CN201711022721 A CN 201711022721A CN 107883073 B CN107883073 B CN 107883073B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/02—Rigid pipes of metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/58—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide containing oxygen in addition to the carbonamido oxygen, e.g. N-methylolacrylamide, N-(meth)acryloylmorpholine
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
- C09D11/38—Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J177/00—Adhesives based on polyamides obtained by reactions forming a carboxylic amide link in the main chain; Adhesives based on derivatives of such polymers
- C09J177/04—Polyamides derived from alpha-amino carboxylic acids
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/56—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.7% by weight of carbon
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
- F16L58/08—Coatings characterised by the materials used by metal
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
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- Arc Welding In General (AREA)
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Abstract
The invention discloses a kind of prestressed concrete pipe pile construction longitudinal submerged arc welded pipes, it is related to longitudinal submerged arc welded pipe technical field, the longitudinal submerged arc welded pipe is process by bimetallic clad steel plate through milling side, pre-flanging, JCO molding, joint close prewelding, submerged-arc welding, machinery expanding, chamfered edge, retaining wall on slope, aligning and the multiple processes of quality examination, and the bimetallic clad steel plate is made of using carbon steel steel plate as base, metal foil as coating hot rolling technique.The made longitudinal submerged arc welded pipe of the present invention not only has excellent mechanical property, meets prestressed concrete pipe pile construction requirement, and having stronger weather resistance itself under conditions of spraying coating, to be suitable for the construction of prestressed concrete pipe pile.
Description
Technical field:
The present invention relates to seam submerged-arc welding steel pipe technical fields, and in particular to a kind of prestressed concrete pipe pile construction vertical masonry joint
Submerged-arc welding steel pipe.
Background technique:
Longitudinal submerged arc welded pipe, the welding procedure used are welded for submerged arc welding technique using filler, and particle protects solder flux
The bore of submerged arc, production can achieve 1500mm.LSAW is the English abbreviation of submerged-arc welding steel pipes with straight, submerged-arc welding steel pipes with straight
Production technology have JCOE forming technique, roll-forming submerged arc welding technique.When bore is larger, can be rolled up with two blocks of steel plates
The phenomenon that making, will form double weld seams in this way.
Currently, longitudinal submerged arc welded pipe is widely used in the construction of prestressed concrete pipe pile, being to its basic demand must
Must have high-intensitive and anti-corrosive properties.But since it is chronically in outdoor environment, also needs it to have stronger weatherability, slow down very
To avoiding erosion of the environment to steel tube surface.For this problem, two ways is mainly used at present, one is coating way,
Weathering resistance coatings are formed on steel pipe using weatherability coating, to improve the weather resistance of steel pipe；Another kind is contained by the steel pipe
Chemical component is started with, and makes the weather resistance for itself having certain by changing its chemical component, to avoid using coating side
The problem easy to fall off of coating existing for formula.
Summary of the invention:
Technical problem to be solved by the present invention lies in providing, a kind of processing technology is simple and easy, yield strength reaches 550-
600MPa, tensile strength reach 650-700MPa, elongation 40-45% and the excellent prestressed concrete pipe pile of weather resistance is applied
Work longitudinal submerged arc welded pipe.
The following technical solution is employed for the technical problems to be solved by the invention to realize:
A kind of prestressed concrete pipe pile construction longitudinal submerged arc welded pipe, the longitudinal submerged arc welded pipe are answered by bimetallic
Steel plate is closed through milling side, pre-flanging, JCO molding, joint close prewelding, submerged-arc welding, machinery expanding, chamfered edge, retaining wall on slope, aligning and matter
Amount checks that multiple processes are process, and the bimetallic clad steel plate is using carbon steel steel plate as base, metal foil as covering
Layer hot rolling technique is made, the carbon steel steel plate meter, chemical component are as follows: C 2.400-2.600%, Si
1.700-1.800%, Mn 0.400-0.600%, Co 0.070-0.090%, Cr 0.070-0.090%, Mo 0.020-
0.030%, Ni 0.020-0.030%, Pd 0.015-0.020%, Al 0.015-0.020%, Sr 0.015-0.020%,
Ti≤0.025%, P≤0.015%, S≤0.005%, B≤0.003%, N≤0.002%, surplus are for iron and inevitably
Impurity, the metal foil are selected from alloy 625 or alloy 825.
The longitudinal submerged arc welded pipe needs to handle by coding before factory, using hand-held chalk ink jet numbering machine, in steel pipe
Inner wall sprays steel pipe identification by chalk.
The chalk is made of the raw material of following parts by weight: 3-8 parts of nanometer titanium dioxide, is received 0.5-2 parts of nano zine oxide
Rice 0.5-2 parts of zirconium oxide, 15-20 parts of adhesive, 5-10 parts of three-glycidyl chlorinated isocyanurates, triallyl cyanurate 1-5
Part, 0.5-2 parts of hydrogenated castor oleic acid, 0.05-0.5 parts of ferrocene, 50-100 parts of water, preparation method are as follows: by three-glycidyl
Chlorinated isocyanurates is heated to molten condition insulated and stirred 5min, adds triallyl cyanurate and ferrocene, is sufficiently mixed
Microwave treater microwave treatment 10min is utilized afterwards, continues microwave treatment 10min after being spaced 5min, is spaced after 5min microwave again
10min is handled to get modified three-glycidyl chlorinated isocyanurates；Nanometer titanium dioxide, nano zine oxide, nano oxygen is added in Xiang Shuizhong
Change zirconium and adhesive, modified three-glycidyl chlorinated isocyanurates and hydrogenated castor oleic acid are added after being dispersed with stirring uniformly, is heated to
Reflux state insulated and stirred 15min or more is sent into ball mill after cooled to room temperature, is milled to discharging-material size less than 30
μm to get chalk.
The adhesive is made of the raw material of following parts by weight: 15-20 parts of polyglutamic acid, N hydroxymethyl acrylamide
5-10 parts, 5-10 parts of zinc dimethacrylate, 1-5 parts of trihydroxymethylpropanyltri diglycidyl ether, 0.1-0.5 parts of ferrocene, idol
0.01-0.05 parts of nitrogen bis-isobutyronitrile.
The adhesive the preparation method comprises the following steps: mixing to N hydroxymethyl acrylamide and zinc dimethacrylate under stirring
Dehydrated alcohol is added dropwise until being completely dissolved in powder, adds azodiisobutyronitrile, is heated to the reaction of reflux state insulated and stirred,
After reaction into gained reaction solution be added dropwise etc. weight deionized water, stir evenly to get polymer emulsion；Under stirring to
Deionized water is added dropwise in polyglutamic acid until be completely dissolved, and using 5wt% dilution heat of sulfuric acid adjust pH value to 3-4 to get
Polyglutamic acid aqueous solution；Into made polymer emulsion, addition polyglutamic acid aqueous solution, trimethylolpropane tris shrink sweet
Oily ether and ferrocene are again heated to the reaction of reflux state insulated and stirred, are after reaction sent into gained mixture spraying dry
In dry machine, micro mist is made through micronizer to get adhesive in dry gained particle.
N hydroxymethyl acrylamide and zinc dimethacrylate under initiator azodiisobutyronitrile effect through self-crosslinking and
The reaction that is cross-linked with each other generates acrylic resin, mutually hands over through N hydroxymethyl acrylamide self-crosslinking and with zinc dimethacrylate
Join the hydroxyl in the acrylic resin structure formed and esterification generation macromolecule ester compound further occur with polyglutamic acid,
The acrylic resin that modifying agent trihydroxymethylpropanyltri diglycidyl ether, ferrocene promote zinc dimethacrylate self-crosslinking to be formed
It fills to form interlaced three-D space structure through physics with the macromolecule ester compound of generation, to make institute's preparing adhesive to face
Material has excellent dispersion performance, and guarantees firm attachment of the pigment on steel pipe.
The beneficial effects of the present invention are:
(1) present invention using the carbon steel steel plate of the chemical component as base, with 825 metal foil of alloy 625 or alloy
Longitudinal submerged arc welded pipe is made as techniques such as coating hot rollings, made longitudinal submerged arc welded pipe not only has excellent mechanical property
Can, meet prestressed concrete pipe pile construction requirement, and stronger weather-proof having itself under conditions of spraying coating
Performance guarantees that it, using quality, is prolonged its service life to be suitable for the construction of prestressed concrete pipe pile；
(2) present invention makes steel pipe identification by made chalk on longitudinal submerged arc welded pipe, in order to the producer and
User have a clear understanding of steel pipe production firm and processing and factory information；The adhesive force of made chalk is strong simultaneously, adhesion
It can stablize, the identification information of steel pipe can be clearly showed that not used steel pipe is chronically at outdoor environment.
Specific embodiment:
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
Embodiment 1
A kind of prestressed concrete pipe pile construction longitudinal submerged arc welded pipe, the longitudinal submerged arc welded pipe are answered by bimetallic
Steel plate is closed through milling side, pre-flanging, JCO molding, joint close prewelding, submerged-arc welding, machinery expanding, chamfered edge, retaining wall on slope, aligning and matter
Amount checks that multiple processes are process, and the bimetallic clad steel plate is using carbon steel steel plate as base, metal foil as covering
Layer hot rolling technique is made, the carbon steel steel plate meter, chemical component are as follows: C 2.450%, Si
1.700%, Mn 0.500%, Co 0.070%, Cr 0.070%, Mo 0.025%, Ni 0.020%, Pd 0.015%, Al
0.020%, Sr 0.015%, Ti 0.020%, P 0.012%, S 0.004%, B 0.002%, N 0.001%, surplus are
Iron and inevitable impurity, the metal foil are selected from alloy 625.
Embodiment 2
A kind of prestressed concrete pipe pile construction longitudinal submerged arc welded pipe, the longitudinal submerged arc welded pipe are answered by bimetallic
Steel plate is closed through milling side, pre-flanging, JCO molding, joint close prewelding, submerged-arc welding, machinery expanding, chamfered edge, retaining wall on slope, aligning and matter
Amount checks that multiple processes are process, and the bimetallic clad steel plate is using carbon steel steel plate as base, metal foil as covering
Layer hot rolling technique is made, the carbon steel steel plate meter, chemical component are as follows: C 2.500%, Si
1.800%, Mn 0.600%, Co 0.080%, Cr 0.070%, Mo 0.030%, Ni 0.025%, Pd 0.020%, Al
0.015%, Sr 0.015%, Ti 0.022%, P 0.011%, S 0.003%, B 0.002%, N 0.001%, surplus are
Iron and inevitable impurity, the metal foil are selected from alloy 825.
Embodiment 3
A kind of prestressed concrete pipe pile construction longitudinal submerged arc welded pipe, the longitudinal submerged arc welded pipe are answered by bimetallic
Steel plate is closed through milling side, pre-flanging, JCO molding, joint close prewelding, submerged-arc welding, machinery expanding, chamfered edge, retaining wall on slope, aligning and matter
Amount checks that multiple processes are process, and the bimetallic clad steel plate is using carbon steel steel plate as base, metal foil as covering
Layer hot rolling technique is made, the carbon steel steel plate meter, chemical component are as follows: C 2.500%, Si
1.800%, Mn 0.600%, Co 0.080%, Cr 0.070%, Mo 0.030%, Ni 0.025%, Pd 0.020%, Al
0.015%, Sr 0.015%, Ti 0.022%, P 0.011%, S 0.003%, B 0.002%, N 0.001%, surplus are
Iron and inevitable impurity, the metal foil are selected from alloy 825.
Longitudinal submerged arc welded pipe needs to handle by coding before factory, using hand-held chalk ink jet numbering machine, in steel pipe inner wall
Steel pipe identification is sprayed by chalk.
The preparation of chalk: 10g three-glycidyl chlorinated isocyanurates is heated to molten condition insulated and stirred 5min, is added
2g triallyl cyanurate and 0.05g ferrocene utilize microwave treater microwave treatment 10min, interval after being sufficiently mixed
Continue microwave treatment 10min after 5min, is spaced after 5min microwave treatment 10min again and is urinated to get modified three-glycidyl isocyanide
Acid esters；8g nanometer titanium dioxide, 1g nano zine oxide, 0.5g nano zircite and 20g adhesive, stirring point are added into 100g water
Modified three-glycidyl chlorinated isocyanurates and 1g hydrogenated castor oleic acid are added after dissipating uniformly, is heated to reflux state insulated and stirred
15min or more is sent into ball mill after cooled to room temperature, is milled to discharging-material size less than 30 μm to get chalk.
The preparation of adhesive: to the mixed powder of 10g N hydroxymethyl acrylamide and 5g zinc dimethacrylate under stirring
Middle dropwise addition dehydrated alcohol adds 0.05g azodiisobutyronitrile, it is anti-to be heated to reflux state insulated and stirred up to being completely dissolved
Answer, after reaction into gained reaction solution be added dropwise etc. weight deionized water, stir evenly to get polymer emulsion；Stirring
It is lower that deionized water is added dropwise until being completely dissolved into 15g polyglutamic acid, and pH value is adjusted to 3- using 5wt% dilution heat of sulfuric acid
4 to get polyglutamic acid aqueous solution；Polyglutamic acid aqueous solution, 3g trimethylolpropane are added into made polymer emulsion
Triglycidyl ether and 0.2g ferrocene are again heated to the reaction of reflux state insulated and stirred, after reaction mix gained
Object is sent into spray dryer, and micro mist is made through micronizer to get adhesive in dry gained particle.
Embodiment 4
A kind of prestressed concrete pipe pile construction longitudinal submerged arc welded pipe, the longitudinal submerged arc welded pipe are answered by bimetallic
Steel plate is closed through milling side, pre-flanging, JCO molding, joint close prewelding, submerged-arc welding, machinery expanding, chamfered edge, retaining wall on slope, aligning and matter
Amount checks that multiple processes are process, and the bimetallic clad steel plate is using carbon steel steel plate as base, metal foil as covering
Layer hot rolling technique is made, the carbon steel steel plate meter, chemical component are as follows: C 2.500%, Si
1.800%, Mn 0.600%, Co 0.080%, Cr 0.070%, Mo 0.030%, Ni 0.025%, Pd 0.020%, Al
0.015%, Sr 0.015%, Ti 0.022%, P 0.011%, S 0.003%, B 0.002%, N 0.001%, surplus are
Iron and inevitable impurity, the metal foil are selected from alloy 825.
Longitudinal submerged arc welded pipe needs to handle by coding before factory, using hand-held chalk ink jet numbering machine, in steel pipe inner wall
Steel pipe identification is sprayed by chalk.
The preparation of chalk: 8g three-glycidyl chlorinated isocyanurates is heated to molten condition insulated and stirred 5min, is added
2g triallyl cyanurate and 0.05g ferrocene utilize microwave treater microwave treatment 10min, interval after being sufficiently mixed
Continue microwave treatment 10min after 5min, is spaced after 5min microwave treatment 10min again and is urinated to get modified three-glycidyl isocyanide
Acid esters；5g nanometer titanium dioxide, 0.5g nano zine oxide, 0.5g nano zircite and 15g adhesive, stirring are added into 100g water
Modified three-glycidyl chlorinated isocyanurates and 0.5g hydrogenated castor oleic acid are added after being uniformly dispersed, is heated to reflux state heat preservation and stirs
15min or more is mixed, is sent into ball mill after cooled to room temperature, is milled to discharging-material size less than 30 μm to get chalk.
The preparation of adhesive: to the mixed powder of 10gN- hydroxymethyl acrylamide and 10g zinc dimethacrylate under stirring
Middle dropwise addition dehydrated alcohol adds 0.05g azodiisobutyronitrile, it is anti-to be heated to reflux state insulated and stirred up to being completely dissolved
Answer, after reaction into gained reaction solution be added dropwise etc. weight deionized water, stir evenly to get polymer emulsion；Stirring
It is lower that deionized water is added dropwise until being completely dissolved into 20g polyglutamic acid, and pH value is adjusted to 3- using 5wt% dilution heat of sulfuric acid
4 to get polyglutamic acid aqueous solution；Polyglutamic acid aqueous solution, 5g trimethylolpropane are added into made polymer emulsion
Triglycidyl ether and 0.2g ferrocene are again heated to the reaction of reflux state insulated and stirred, after reaction mix gained
Object is sent into spray dryer, and micro mist is made through micronizer to get adhesive in dry gained particle.
Reference examples 1
With the made vertical masonry joint of longitudinal submerged arc welded pipe alternate embodiment 2 made from 201610410817.5 embodiment 1 of patent CN
Submerged-arc welding steel pipe.
Reference examples 2
With the made vertical masonry joint of longitudinal submerged arc welded pipe alternate embodiment 2 made from patent CN 201310727686.X embodiment 1
Submerged-arc welding steel pipe.
Reference examples 3
A kind of prestressed concrete pipe pile construction longitudinal submerged arc welded pipe, the longitudinal submerged arc welded pipe are answered by bimetallic
Steel plate is closed through milling side, pre-flanging, JCO molding, joint close prewelding, submerged-arc welding, machinery expanding, chamfered edge, retaining wall on slope, aligning and matter
Amount checks that multiple processes are process, and the bimetallic clad steel plate is using carbon steel steel plate as base, metal foil as covering
Layer hot rolling technique is made, the carbon steel steel plate meter, chemical component are as follows: C 2.500%, Si
1.800%, Mn 0.600%, Co 0.080%, Cr 0.070%, Mo 0.030%, Ni 0.025%, Pd 0.020%, Al
0.015%, Sr 0.015%, Ti 0.022%, P 0.011%, S 0.003%, B 0.002%, N 0.001%, surplus are
Iron and inevitable impurity, the metal foil are selected from alloy 825.
Longitudinal submerged arc welded pipe needs to handle by coding before factory, using hand-held chalk ink jet numbering machine, in steel pipe inner wall
Steel pipe identification is sprayed by chalk.
The preparation of chalk: 8g three-glycidyl chlorinated isocyanurates is heated to molten condition insulated and stirred 5min, is added
2g triallyl cyanurate and 0.05g ferrocene utilize microwave treater microwave treatment 10min, interval after being sufficiently mixed
Continue microwave treatment 10min after 5min, is spaced after 5min microwave treatment 10min again and is urinated to get modified three-glycidyl isocyanide
Acid esters；5g nanometer titanium dioxide, 0.5g nano zine oxide, 0.5g nano zircite and 15g adhesive, stirring are added into 100g water
Modified three-glycidyl chlorinated isocyanurates and 0.5g hydrogenated castor oleic acid are added after being uniformly dispersed, is heated to reflux state heat preservation and stirs
15min or more is mixed, is sent into ball mill after cooled to room temperature, is milled to discharging-material size less than 30 μm to get chalk.
The preparation of adhesive: to the mixed powder of 10gN- hydroxymethyl acrylamide and 10g zinc dimethacrylate under stirring
Middle dropwise addition dehydrated alcohol adds 0.05g azodiisobutyronitrile, it is anti-to be heated to reflux state insulated and stirred up to being completely dissolved
Answer, after reaction into gained reaction solution be added dropwise etc. weight deionized water, stir evenly to get polymer emulsion；Stirring
It is lower that deionized water is added dropwise until being completely dissolved into 20g polyglutamic acid, and pH value is adjusted to 3- using 5wt% dilution heat of sulfuric acid
4 to get polyglutamic acid aqueous solution；Polyglutamic acid aqueous solution, 5g trimethylolpropane are added into made polymer emulsion
Triglycidyl ether is again heated to the reaction of reflux state insulated and stirred, is after reaction sent into gained mixture spraying dry
In dry machine, micro mist is made through micronizer to get adhesive in dry gained particle.
Reference examples 4
A kind of prestressed concrete pipe pile construction longitudinal submerged arc welded pipe, the longitudinal submerged arc welded pipe are answered by bimetallic
Steel plate is closed through milling side, pre-flanging, JCO molding, joint close prewelding, submerged-arc welding, machinery expanding, chamfered edge, retaining wall on slope, aligning and matter
Amount checks that multiple processes are process, and the bimetallic clad steel plate is using carbon steel steel plate as base, metal foil as covering
Layer hot rolling technique is made, the carbon steel steel plate meter, chemical component are as follows: C 2.500%, Si
1.800%, Mn 0.600%, Co 0.080%, Cr 0.070%, Mo 0.030%, Ni 0.025%, Pd 0.020%, Al
0.015%, Sr 0.015%, Ti 0.022%, P 0.011%, S 0.003%, B 0.002%, N 0.001%, surplus are
Iron and inevitable impurity, the metal foil are selected from alloy 825.
Longitudinal submerged arc welded pipe needs to handle by coding before factory, using hand-held chalk ink jet numbering machine, in steel pipe inner wall
Steel pipe identification is sprayed by chalk.
The preparation of chalk: 8g three-glycidyl chlorinated isocyanurates is heated to molten condition insulated and stirred 5min, is added
2g triallyl cyanurate and 0.05g ferrocene utilize microwave treater microwave treatment 10min, interval after being sufficiently mixed
Continue microwave treatment 10min after 5min, is spaced after 5min microwave treatment 10min again and is urinated to get modified three-glycidyl isocyanide
Acid esters；5g nanometer titanium dioxide, 0.5g nano zine oxide, 0.5g nano zircite and 15g adhesive, stirring are added into 100g water
Modified three-glycidyl chlorinated isocyanurates and 0.5g hydrogenated castor oleic acid are added after being uniformly dispersed, is heated to reflux state heat preservation and stirs
15min or more is mixed, is sent into ball mill after cooled to room temperature, is milled to discharging-material size less than 30 μm to get chalk.
The preparation of adhesive: to the mixed powder of 10gN- hydroxymethyl acrylamide and 10g zinc dimethacrylate under stirring
Middle dropwise addition dehydrated alcohol adds 0.05g azodiisobutyronitrile, it is anti-to be heated to reflux state insulated and stirred up to being completely dissolved
Answer, after reaction into gained reaction solution be added dropwise etc. weight deionized water, stir evenly to get polymer emulsion；Stirring
It is lower that deionized water is added dropwise until being completely dissolved into 20g polyglutamic acid, and pH value is adjusted to 3- using 5wt% dilution heat of sulfuric acid
4 to get polyglutamic acid aqueous solution；Polyglutamic acid aqueous solution and 0.2g ferrocene are added into made polymer emulsion, then
It is secondary to be heated to the reaction of reflux state insulated and stirred, gained mixture is sent into spray dryer after reaction, dry gained
Micro mist is made through micronizer to get adhesive in particle.
Reference examples 5
A kind of prestressed concrete pipe pile construction longitudinal submerged arc welded pipe, the longitudinal submerged arc welded pipe are answered by bimetallic
Steel plate is closed through milling side, pre-flanging, JCO molding, joint close prewelding, submerged-arc welding, machinery expanding, chamfered edge, retaining wall on slope, aligning and matter
Amount checks that multiple processes are process, and the bimetallic clad steel plate is using carbon steel steel plate as base, metal foil as covering
Layer hot rolling technique is made, the carbon steel steel plate meter, chemical component are as follows: C 2.500%, Si
1.800%, Mn 0.600%, Co 0.080%, Cr 0.070%, Mo 0.030%, Ni 0.025%, Pd 0.020%, Al
0.015%, Sr 0.015%, Ti 0.022%, P 0.011%, S 0.003%, B 0.002%, N 0.001%, surplus are
Iron and inevitable impurity, the metal foil are selected from alloy 825.
Longitudinal submerged arc welded pipe needs to handle by coding before factory, using hand-held chalk ink jet numbering machine, in steel pipe inner wall
Steel pipe identification is sprayed by chalk.
The preparation of chalk: 8g three-glycidyl chlorinated isocyanurates is heated to molten condition insulated and stirred 5min, is added
2g triallyl cyanurate and 0.05g ferrocene utilize microwave treater microwave treatment 10min, interval after being sufficiently mixed
Continue microwave treatment 10min after 5min, is spaced after 5min microwave treatment 10min again and is urinated to get modified three-glycidyl isocyanide
Acid esters；5g nanometer titanium dioxide and 15g adhesive are added into 100g water, it is different that modified three-glycidyl is added after being dispersed with stirring uniformly
Cyanurate and 0.5g hydrogenated castor oleic acid, are heated to reflux state insulated and stirred 15min or more, after cooled to room temperature
It is sent into ball mill, is milled to discharging-material size less than 30 μm to get chalk.
The preparation of adhesive: to the mixed powder of 10gN- hydroxymethyl acrylamide and 10g zinc dimethacrylate under stirring
Middle dropwise addition dehydrated alcohol adds 0.05g azodiisobutyronitrile, it is anti-to be heated to reflux state insulated and stirred up to being completely dissolved
Answer, after reaction into gained reaction solution be added dropwise etc. weight deionized water, stir evenly to get polymer emulsion；Stirring
It is lower that deionized water is added dropwise until being completely dissolved into 20g polyglutamic acid, and pH value is adjusted to 3- using 5wt% dilution heat of sulfuric acid
4 to get polyglutamic acid aqueous solution；Polyglutamic acid aqueous solution, 5g trimethylolpropane are added into made polymer emulsion
Triglycidyl ether and 0.2g ferrocene are again heated to the reaction of reflux state insulated and stirred, after reaction mix gained
Object is sent into spray dryer, and micro mist is made through micronizer to get adhesive in dry gained particle.
Reference examples 6
A kind of prestressed concrete pipe pile construction longitudinal submerged arc welded pipe, the longitudinal submerged arc welded pipe are answered by bimetallic
Steel plate is closed through milling side, pre-flanging, JCO molding, joint close prewelding, submerged-arc welding, machinery expanding, chamfered edge, retaining wall on slope, aligning and matter
Amount checks that multiple processes are process, and the bimetallic clad steel plate is using carbon steel steel plate as base, metal foil as covering
Layer hot rolling technique is made, the carbon steel steel plate meter, chemical component are as follows: C 2.500%, Si
1.800%, Mn 0.600%, Co 0.080%, Cr 0.070%, Mo 0.030%, Ni 0.025%, Pd 0.020%, Al
0.015%, Sr 0.015%, Ti 0.022%, P 0.011%, S 0.003%, B 0.002%, N 0.001%, surplus are
Iron and inevitable impurity, the metal foil are selected from alloy 825.
Longitudinal submerged arc welded pipe needs to handle by coding before factory, using hand-held chalk ink jet numbering machine, in steel pipe inner wall
Steel pipe identification is sprayed by chalk.
The preparation of chalk: into 100g water be added 5g nanometer titanium dioxide, 0.5g nano zine oxide, 0.5g nano zircite and
15g adhesive is added 8g three-glycidyl chlorinated isocyanurates and 0.5g hydrogenated castor oleic acid after being dispersed with stirring uniformly, is heated to back
Stream mode insulated and stirred 15min or more is sent into ball mill after cooled to room temperature, is milled to discharging-material size less than 30 μ
M is to get chalk.
The preparation of adhesive: to the mixed powder of 10gN- hydroxymethyl acrylamide and 10g zinc dimethacrylate under stirring
Middle dropwise addition dehydrated alcohol adds 0.05g azodiisobutyronitrile, it is anti-to be heated to reflux state insulated and stirred up to being completely dissolved
Answer, after reaction into gained reaction solution be added dropwise etc. weight deionized water, stir evenly to get polymer emulsion；Stirring
It is lower that deionized water is added dropwise until being completely dissolved into 20g polyglutamic acid, and pH value is adjusted to 3- using 5wt% dilution heat of sulfuric acid
4 to get polyglutamic acid aqueous solution；Polyglutamic acid aqueous solution, 5g trimethylolpropane are added into made polymer emulsion
Triglycidyl ether and 0.2g ferrocene are again heated to the reaction of reflux state insulated and stirred, after reaction mix gained
Object is sent into spray dryer, and micro mist is made through micronizer to get adhesive in dry gained particle.
Embodiment 5
Mechanical property is carried out to the made longitudinal submerged arc welded pipe of embodiment 1-2, reference examples 1-2 respectively and weather resistance is surveyed
It is fixed, and the service performance of the chalk described in embodiment 3-4, reference examples 3-6 is measured, as a result as shown in Table 1 and Table 2.
The mechanical property and weather resistance of the longitudinal submerged arc welded pipe of the present invention of table 1
The chalk service performance of the invention of table 2
| Group | Adhesive force N/mm2 | Salt air corrosion rate g/m2.h |
| Embodiment 3 | 0.115 | 0.1843 |
| Embodiment 4 | 0.112 | 0.1857 |
| Reference examples 3 | 0.108 | 0.1924 |
| Reference examples 4 | 0.099 | 0.2316 |
| Reference examples 5 | 0.076 | 0.2708 |
| Reference examples 6 | 0.052 | 0.3341 |
| German EBS chalk | 0.045 | 0.3653 |
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (1)
1. a kind of prestressed concrete pipe pile construction longitudinal submerged arc welded pipe, it is characterised in that: the longitudinal submerged arc welded pipe
By bimetallic clad steel plate through milling side, pre-flanging, JCO molding, joint close prewelding, submerged-arc welding, machinery expanding, chamfered edge, retaining wall on slope,
Aligning and the multiple processes of quality examination are process, and the bimetallic clad steel plate is using carbon steel steel plate as base, metal
Steel plate is made as coating hot rolling technique, the carbon steel steel plate meter, chemical component are as follows: C2.400-
2.600%, Si1.700-1.800%, Mn0.400-0.600%, Co0.070-0.090%, Cr0.070-0.090%,
Mo0.020-0.030%, Ni0.020-0.030%, Pd0.015-0.020%, Al0.015-0.020%, Sr0.015-
0.020%, Ti≤0.025%, P≤0.015%, S≤0.005%, B≤0.003%, N≤0.002%, surplus are iron and not
Evitable impurity, the metal foil are selected from alloy 625 or alloy 825；
The longitudinal submerged arc welded pipe needs to handle by coding before factory, using hand-held chalk ink jet numbering machine, in steel pipe inner wall
Steel pipe identification is sprayed by chalk；
The chalk is made of the raw material of following parts by weight: 3-8 parts of nanometer titanium dioxide, 0.5-2 parts of nano zine oxide, nano oxygen
Change zirconium 0.5-2 parts, 15-20 parts of adhesive, 5-10 parts of three-glycidyl chlorinated isocyanurates, 1-5 parts of triallyl cyanurate, hydrogen
Change ricinoleic acid 0.5-2 parts, 0.05-0.5 parts of ferrocene, 50-100 parts of water, preparation method are as follows: urinate three-glycidyl isocyanide
Acid esters is heated to molten condition insulated and stirred 5min, adds triallyl cyanurate and ferrocene, utilizes after being sufficiently mixed
Microwave treater microwave treatment 10min continues microwave treatment 10min after being spaced 5min, is spaced after 5min microwave treatment again
10min is to get modified three-glycidyl chlorinated isocyanurates；Nanometer titanium dioxide, nano zine oxide, nano zircite is added in Xiang Shuizhong
And adhesive, modified three-glycidyl chlorinated isocyanurates and hydrogenated castor oleic acid are added after being dispersed with stirring uniformly, is heated to flowing back
State insulated and stirred 15min or more is sent into ball mill after cooled to room temperature, is milled to discharging-material size less than 30 μm,
Up to chalk.
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| US7741580B2 (en) * | 2003-07-21 | 2010-06-22 | National Oilwell Varco, L.P. | Method of welding a pipe/connector joint |
| CN104053806A (en) * | 2012-01-26 | 2014-09-17 | 杰富意钢铁株式会社 | High-strength hot-rolled steel plate and manufacturing method thereof |
| CN104264067A (en) * | 2014-08-14 | 2015-01-07 | 无锡阁特精密冷拔管有限公司 | Seamless steel pipe for hydraulic steel cylinder and preparation technology thereof |
| CN106090451A (en) * | 2016-06-03 | 2016-11-09 | 合肥紫金钢管股份有限公司 | A kind of high-wear-resistancehigh-strength high-strength longitudinal submerged arc welded pipe |
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2017
- 2017-10-27 CN CN201711022721.2A patent/CN107883073B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1262407A (en) * | 2000-02-01 | 2000-08-09 | 程一钱 | Weldable compound bimetal pipe |
| US7741580B2 (en) * | 2003-07-21 | 2010-06-22 | National Oilwell Varco, L.P. | Method of welding a pipe/connector joint |
| JP2010121190A (en) * | 2008-11-21 | 2010-06-03 | Nisshin Steel Co Ltd | Austenitic stainless welded pipe for high-pressure hydrogen transport, and method for producing the same |
| CN104053806A (en) * | 2012-01-26 | 2014-09-17 | 杰富意钢铁株式会社 | High-strength hot-rolled steel plate and manufacturing method thereof |
| CN104264067A (en) * | 2014-08-14 | 2015-01-07 | 无锡阁特精密冷拔管有限公司 | Seamless steel pipe for hydraulic steel cylinder and preparation technology thereof |
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