CN102875875B - Outer-layer protecting sleeve of three-layer protecting system of marine steel-pipe pile and manufacture method of outer-layer protecting sleeve - Google Patents
Outer-layer protecting sleeve of three-layer protecting system of marine steel-pipe pile and manufacture method of outer-layer protecting sleeve Download PDFInfo
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- CN102875875B CN102875875B CN201210366121.9A CN201210366121A CN102875875B CN 102875875 B CN102875875 B CN 102875875B CN 201210366121 A CN201210366121 A CN 201210366121A CN 102875875 B CN102875875 B CN 102875875B
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Abstract
The invention relates to an outer-layer protecting sleeve of a three-layer protecting system of a marine steel-pipe pile and is applied to the technical field of marine steel-pipe pile protection. The outer-layer protecting sleeve comprises, by weight, 100 parts of high-density polyethylene, 0.1-0.3 part of fully-refined paraffin wax, 0.2-0.8 part of ultraviolet absorbers UV (ultraviolet)-327, 0.3-0.6 part of anti-agers A, 0.3-0.6 part of cuprous oxide, 5-10 parts of carbon black, 6-10 parts of calcium carbonate, 2-5 parts of washing kaolin and 0.1-0.5 part of talcum powder. A polyethylene pipe is made of the components and then is split axially symmetrically to be used for fixing a rectangular flange. In use, a base oil layer is applied on the surface of a steel-pipe pile, then a second-layer anti-corrosive band is wound, the outer-layer protecting sleeve is finally mounted, and the flange surface of the outer-layer protecting sleeve is fastened by stainless steel bolts. The outer-layer protecting sleeve has the advantages of protection, antifouling, impact resistance, ultraviolet irradiation resistance, good adhesive property with the anti-corrosive band and excellent underwater constructability.
Description
Technical field
The present invention relates to marine steel pile tube surface protection technique field, the particularly protecting jacket of marine steel pile tube protection, is a kind of outer protecting jacket being exclusively used in the three-layer protection layer of steel pipe piling surface.
Background technology
At present, have for the protection main method of ocean steel construction: coated with glass fibre reinforced plastics and anticorrosion coat protection.
Coated with glass fibre reinforced plastics has lightweight; the advantage that specific tenacity is high; heat-resisting, excellent corrosion resistance; shock resistance is good; the features such as processing performance is superior; but seawater can infiltrate sheath inner side during due to the stronger alone fiberglass sheath of glass reinforced plastic rigidity, protection effect, the fiber glass reinforced plastic cover that is difficult to reach satisfied reduces because concrete erosion causes protecting the life-span after leaking.
Anticorrosion coat protection is the way generally adopting both at home and abroad, from service condition for many years, anticorrosion coat protection also exposes certain problem, and the one, anticorrosion coat impact resistance is poor, and after newly-built or maintenance, (about 1～2 year) just needs to be serviced in a short time; The 2nd, field repair problem, although had now can underwater construction heavy-duty coating, from the effect of rig-site utilization, field repair is difficult to ensure construction quality, does not reach the desired result that adapts to ocean environment.
Summary of the invention
The object of the invention is: a kind of marine steel pile tube three-layer protection system outer jacket protecting jacket is provided, be used in conjunction with end oil reservoir, middle anticorrosion belt, steel pipe piling surface forms three-layer protection system, and outer jacket protecting jacket has protection and anti-pollution function, shock-resistant, ultraviolet resistance irradiates, have good adhesiveproperties with anticorrosion belt.
The technical solution used in the present invention is: the outer protecting jacket of marine steel pile tube three-layer protection system, and raw material comprises:
1, high density polyethylene(HDPE), english abbreviation: HDPE, product type: PE80 level.Character: the cured shape material of a kind of opaque white color, density is 0.941～0.960g/cm
3, softness and flexible, but slightly harder than LDPE, also slightly can extend, nontoxic, tasteless.Acid and alkali-resistance, organic solvent-resistant, electrical insulating property is good, when low temperature, still can keep certain toughness.Purposes: for the main body base-material of protecting jacket.
2, paraffin wax fully refined.
3, Red copper oxide, another name: cuprous oxide.
4, cuprous thiocyanate.
5, ultraviolet absorbers, product type: UV-327.Chemical name: 2-(2 '-hydroxyl-3 ', 5 '-di-tert-butyl-phenyl) and-5-chlorinated benzotriazole; Molecular formula: C
20h
24n
3oCL; Molecular weight: 357.9.Guo Shujing chief editor's " coatings additive(s) kind handbook both at home and abroad ", Chemical Industry Press, the 677th page.Character: white or pale yellow powder.Fusing point is 154～158 DEG C.There is the performance that prevents material aging.Factory is a lot, is the conventional products of those skilled in the art.
6, antiager A.Antiager A is at Guo Shujing chief editor " coatings additive(s) kind handbook both at home and abroad ", Chemical Industry Press, the 676th page.Character: faint yellow or purple solid.Zero pour is greater than 53 DEG C.Can improve the weathering resistance of material.Factory: chemical plant, Nanjing.
7, N-phenyl-N`-cyclohexyl Ursol D, molecular formula: C
18h
22n
2.
8, carbon black, has another name called: carbon black, product type: N990.Character: the fluffy powder of black, porousness, nonpoisonous and tasteless pollution-free, high temperature resistant.The unreactiveness that it possesses simultaneously and special thixotropic property are obviously improved poly weathering resistance.Purposes: as tinting material and weather resisting agent, for adjusting poly color.
9, kaolin, product type: water-washed kaoline.Character: kaolin has that whiteness is high, matter is soft, easy dispersion suspension in water, good plasticity-and high cohesiveness, good electrical insulation capability; There is good antiacid dissolubility, very low cation exchange capacity, the physico-chemical property such as resistivity against fire preferably.Therefore kaolin has become tens necessary raw mineral materialss of industry such as papermaking, pottery, rubber, chemical industry, coating, medicine and national defence.Purposes: for the weighting agent of end oil.
10, calcium carbonate, product type: 1000～1200 orders.Character: as raw material or the weighting agent of plastics, paint, can improve that product is fast light, weather-proof, chemically-resistant and electrochemical corrosion and product decoration effect, the resistance to impact shock of strongthener.Purposes: for the weighting agent of polyethylene protecting jacket.
11, talcum powder, product type: 1000～1200 orders.Character: for rubber, plastics, paint, etc. chemical industry as strengthening upgrading weighting agent.Increase the stable of product capable shape, increase tensile strength, shearing resistance, flexing intensity, pressure intensity, reduces distortion, extension rate, thermal expansivity, whiteness is high, the dispersed feature such as strong of epigranular.Purposes: for the weighting agent of protecting jacket.
Marine steel pile tube three-layer protection system outer jacket protecting jacket, the weight part of each component is: the high density polyethylene(HDPE) of 100 parts, the paraffin wax fully refined of 0.1～0.3 part, the ultraviolet absorbers UV-327 of 0.2～0.8 part, the antiager A of 0.3～0.6 part or N-phenyl-N`-cyclohexyl Ursol D, the Red copper oxide of 0.3～0.6 part or cuprous thiocyanate, the carbon black of 5～10 parts, the calcium carbonate of 6～10 parts, the water-washed kaoline of 2～5 parts, the talcum powder of 0.1～0.5 part.
The manufacture method of marine steel pile tube three-layer protection system outer jacket protecting jacket:
Major equipment comprises: stainless steel charging basket, high speed dispersor, polyethylene tubing machine.
Production method: pack successively the high density polyethylene(HDPE) of 100 parts in mixing tank into, the paraffin wax fully refined of 0.1～0.3 part, the ultraviolet absorbers UV-327 of 0.2～0.8 part, the antiager A of 0.3～0.6 part or N-phenyl-N`-cyclohexyl Ursol D, the Red copper oxide of 0.3～0.6 part or cuprous thiocyanate, the carbon black of 5～10 parts, the calcium carbonate of 6～10 parts, the water-washed kaoline of 2～5 parts, after the talcum powder of 0.1～0.5 part, at 25 DEG C of left and right temperature, more than dispersion machine high speed dispersion 5min, make above mixing of materials even, then make tubing by polyethylene tubulation production line, after finally cutting open along the axial symmetry of tubing, at the fixing cuboid flange in the axial symmetrical split surface of tubing outside, complete the making of protecting jacket.
The using method of marine steel pile tube three-layer protection system outer jacket protecting jacket: apply end oil reservoir on steel pipe piling surface when use, then be wound around after second layer anticorrosion belt, outer jacket protecting jacket is finally installed, protecting jacket girth should be less than steel pipe piling girth 5～8cm, then adopt fluid-pressure straining device tension protecting jacket, adopt stainless steel bolt to be through flange and tighten oversheath flange.Protecting jacket should be smooth smooth after installing, and flange face should be in leeward side.
Beneficial effect of the present invention: marine steel pile tube three-layer protection system outer jacket protecting jacket of the present invention.1, this protecting jacket is a kind of outer jacket being exclusively used in the three-layer protection of steel pipe piling surface.Its protecting jacket has protection and anti-pollution function, shock-resistant, ultraviolet resistance irradiates, have good adhesiveproperties with anticorrosion belt, has good subaqueous work.2, production technique is simple, need not specific installation.3, owing to containing Red copper oxide or cuprous thiocyanate in the material of marine steel pile tube three-layer protection system outer jacket protecting jacket, make marine organisms can not be attached to the surface of outer jacket protecting jacket.
Embodiment
Embodiment 1: the manufacture method of marine steel pile tube three-layer protection system outer jacket protecting jacket.In mixing tank, pack successively the PE80 level high-density polyethylene of 100 parts into, the paraffin wax fully refined of 0.1 part, the ultraviolet absorbers UV-327 of 0.2 part, the antiager A of 0.4 part, the Red copper oxide of 0.3 part, the carbon black of 10 parts, 6 part of 1200 object calcium carbonate, the water-washed kaoline of 5 parts, after the 1200 object talcum powder of 0.5 part, at 25 DEG C of left and right temperature, more than dispersion machine high speed dispersion 5min, make above mixing of materials even, then make tubing by polyethylene tubulation production line, after finally cutting open along the axial symmetry of tubing, at the fixing cuboid flange in the axial symmetrical split surface of tubing outside, complete the making of protecting jacket.Each component quantity is in weight part.The raw materials used commercially available product that all adopts.
Embodiment 2: the manufacture method of marine steel pile tube three-layer protection system outer jacket protecting jacket.In stainless steel charging basket, add the high density polyethylene(HDPE) of 100 parts and the paraffin wax fully refined of 0.12 part, it is mixed, in the situation that stirring, add the ultraviolet absorbers UV-327 of 0.22 part, N-phenyl-N`-cyclohexyl Ursol D of 0.32 part, the Red copper oxide of 0.32 part, its temperature is controlled to 25 DEG C, high-speed stirring, in the situation that stirring, add the carbon black of 5.2 parts, 6.2 part of 1200 object calcium carbonate, the water-washed kaoline of 2.2 parts, 0.12 part of 1200 object talcum powder, after high-speed stirring 5min, make tubing with polyethylene tubing machine, after finally cutting open along the axial symmetry of tubing, at the fixing cuboid flange in the axial symmetrical split surface of tubing outside, complete the making of protecting jacket.Each component quantity is in weight part.
Embodiment 3: the manufacture method of marine steel pile tube three-layer protection system outer jacket protecting jacket.In stainless steel charging basket, add the high density polyethylene(HDPE) of 100 parts and the paraffin wax fully refined of 0.13 part, it is mixed, in the situation that stirring, add the ultraviolet absorbers UV-327 of 0.23 part, the antiager A of 0.33 part, the cuprous thiocyanate of 0.33 part, its temperature is controlled to 25 DEG C, high-speed stirring, in the situation that stirring, add the carbon black of 5.3 parts, 6.3 part of 1000 object calcium carbonate, the water-washed kaoline of 2.3 parts, 0.13 part of 1000 object talcum powder, after high-speed stirring 5min, make tubing with polyethylene tubing machine, after finally cutting open along the axial symmetry of tubing, at the fixing cuboid flange in the axial symmetrical split surface of tubing outside, complete the making of protecting jacket.Each component quantity is in weight part.
Embodiment 4: the manufacture method of marine steel pile tube three-layer protection system outer jacket protecting jacket.In stainless steel charging basket, add the high density polyethylene(HDPE) of 100 parts and the paraffin wax fully refined of 0.14 part, it is mixed, in the situation that stirring, add the ultraviolet absorbers UV-327 of 0.24 part, the antiager A of 0.34 part, the Red copper oxide of 0.34 part, its temperature is controlled to 25 DEG C, high-speed stirring, in the situation that stirring, add the carbon black of 5.4 parts, the 1200 object calcium carbonate of 6.4 parts, the water-washed kaoline of 2.4 parts, 0.14 part of 1200 object talcum powder, after high-speed stirring 5min, make tubing with polyethylene tubing machine, after finally cutting open along the axial symmetry of tubing, in the axial symmetrical split surface of tubing outside, fixing cuboid flange connects, complete the making of protecting jacket.Each component quantity is in weight part.
Embodiment 5: the manufacture method of marine steel pile tube three-layer protection system outer jacket protecting jacket.In stainless steel charging basket, add the high density polyethylene(HDPE) of 100 parts and the paraffin wax fully refined of 0.15 part, it is mixed, in the situation that stirring, add the ultraviolet absorbers UV-327 of 0.25 part, the antiager A of 0.35 part, the Red copper oxide of 0.35 part, its temperature is controlled to 25 DEG C, high-speed stirring, in the situation that stirring, add the carbon black of 5.5 parts, the 1200 object calcium carbonate of 6.5 parts, the water-washed kaoline of 2.5 parts, 0.15 part of 1000 object talcum powder, after high-speed stirring 5min, make tubing with polyethylene tubing machine, after finally cutting open along the axial symmetry of tubing, at the fixing cuboid flange in the axial symmetrical split surface of tubing outside, complete the making of protecting jacket.Each component quantity is in weight part.
Marine steel pile tube three-layer protection systematic protection cover performance test average result is in table 1.
Table 1
| Sequence number | Test item | Test result | Testing method |
| 1 | Tensile strength/MPa | 31.7 | GB/T1040.2 |
| 2 | Elongation at break/% | 712 | GB/T1040.2 |
Claims (4)
1. a marine steel pile tube three-layer protection system outer jacket protecting jacket, is characterized in that: the weight part of each component is: the high density polyethylene(HDPE) of 100 parts, the paraffin wax fully refined of 0.1～0.3 part, the ultraviolet absorbers UV-327 of 0.2～0.8 part, the antiager A of 0.3～0.6 part or N-phenyl-N`-cyclohexyl Ursol D, the Red copper oxide of 0.3～0.6 part or cuprous thiocyanate, the carbon black of 5～10 parts, the calcium carbonate of 6～10 parts, the water-washed kaoline of 2～5 parts, the talcum powder of 0.1～0.5 part.
2. marine steel pile tube three-layer protection system outer jacket protecting jacket according to claim 1, is characterized in that: the weight part of each component is: the PE80 level high-density polyethylene of 100 parts, the paraffin wax fully refined of 0.1 part, the ultraviolet absorbers UV-327 of 0.2 part, the antiager A of 0.4 part or N-phenyl-N`-cyclohexyl Ursol D, the Red copper oxide of 0.3 part or cuprous thiocyanate, the carbon black of 10 parts, the calcium carbonate of 6 parts, the water-washed kaoline of 5 parts, the talcum powder of 0.5 part.
3. the manufacture method of marine steel pile tube three-layer protection system outer jacket protecting jacket according to claim 1, it is characterized in that: in mixing tank, pack successively the high density polyethylene(HDPE) of 100 parts into, the paraffin wax fully refined of 0.1～0.3 part, the ultraviolet absorbers UV-327 of 0.2～0.8 part, the antiager A of 0.3～0.6 part or N-phenyl-N`-cyclohexyl Ursol D, the Red copper oxide of 0.3～0.6 part or cuprous thiocyanate, the carbon black of 5～10 parts, the calcium carbonate of 6～10 parts, the water-washed kaoline of 2～5 parts, after the talcum powder of 0.1～0.5 part, at 25 DEG C of temperature, more than dispersion machine high speed dispersion 5min, make above mixing of materials even, then make tubing by polyethylene tubulation production line, after finally cutting open along the axial symmetry of tubing, at the fixing cuboid flange in the axial symmetrical split surface of tubing outside, complete the making of protecting jacket.
4. the manufacture method of marine steel pile tube three-layer protection system outer jacket protecting jacket according to claim 2, it is characterized in that: in mixing tank, pack successively the PE80 level high-density polyethylene of 100 parts into, the paraffin wax fully refined of 0.1 part, the ultraviolet absorbers UV-327 of 0.2 part, the antiager A of 0.4 part or N-phenyl-N`-cyclohexyl Ursol D, the Red copper oxide of 0.3 part or cuprous thiocyanate, the carbon black of 10 parts, the calcium carbonate of 6 parts, the water-washed kaoline of 5 parts, after the talcum powder of 0.5 part, at 25 DEG C of temperature, more than dispersion machine high speed dispersion 5min, make above mixing of materials even, then make tubing by polyethylene tubulation production line, after finally cutting open along the axial symmetry of tubing, at the fixing cuboid flange in the axial symmetrical split surface of tubing outside, complete the making of protecting jacket.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210366121.9A CN102875875B (en) | 2012-09-28 | 2012-09-28 | Outer-layer protecting sleeve of three-layer protecting system of marine steel-pipe pile and manufacture method of outer-layer protecting sleeve |
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|---|---|---|---|
| CN201210366121.9A CN102875875B (en) | 2012-09-28 | 2012-09-28 | Outer-layer protecting sleeve of three-layer protecting system of marine steel-pipe pile and manufacture method of outer-layer protecting sleeve |
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| CN102875875B true CN102875875B (en) | 2014-07-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106045421A (en) * | 2016-06-02 | 2016-10-26 | 耿云花 | Anti-bacterial and anti-corrosion building pipe pile |
| CN105970953B (en) * | 2016-07-05 | 2018-11-13 | 四川北尚新材料科技有限公司 | One kind being used for ocean steel-pipe pile anti-corrosion protection set |
| CN108517900A (en) * | 2018-03-23 | 2018-09-11 | 国网甘肃省电力公司经济技术研究院 | A kind of anti-corrosion method of saline soil area transmission line of electricity bored concrete pile foundation |
| CN110409423A (en) * | 2019-07-30 | 2019-11-05 | 南京新核复合材料有限公司 | A kind of ocean engineering squeezes into tubular pole with fibre-reinforced plastics |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781418A (en) * | 2009-01-16 | 2010-07-21 | 兰州斯凯特路桥预应力技术开发有限公司 | Protecting jacket of steel strand stay cable |
| CN101842453A (en) * | 2007-10-31 | 2010-09-22 | 中国涂料株式会社 | Anti-stain coating composition containing copper compound and having improved slime resistance and storage stability |
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- 2012-09-28 CN CN201210366121.9A patent/CN102875875B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101842453A (en) * | 2007-10-31 | 2010-09-22 | 中国涂料株式会社 | Anti-stain coating composition containing copper compound and having improved slime resistance and storage stability |
| CN101781418A (en) * | 2009-01-16 | 2010-07-21 | 兰州斯凯特路桥预应力技术开发有限公司 | Protecting jacket of steel strand stay cable |
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