RU95122762A - TUBULAR ELEMENT FOR SUBMERSIBLE PIPELINE, SUBMERSIBLE PIPELINE AND METHOD FOR COATING THE TUBULAR ELEMENT - Google Patents

TUBULAR ELEMENT FOR SUBMERSIBLE PIPELINE, SUBMERSIBLE PIPELINE AND METHOD FOR COATING THE TUBULAR ELEMENT

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Publication number
RU95122762A
RU95122762A RU95122762/06A RU95122762A RU95122762A RU 95122762 A RU95122762 A RU 95122762A RU 95122762/06 A RU95122762/06 A RU 95122762/06A RU 95122762 A RU95122762 A RU 95122762A RU 95122762 A RU95122762 A RU 95122762A
Authority
RU
Russia
Prior art keywords
coating
layer
tubular element
cast iron
alloy
Prior art date
Application number
RU95122762/06A
Other languages
Russian (ru)
Other versions
RU2105231C1 (en
Inventor
Педетур Жан-Марк
Нуай Жерар
Белло Жан
Original Assignee
Понт-А-Муссон С.А.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR9301862A external-priority patent/FR2701754B1/en
Application filed by Понт-А-Муссон С.А. filed Critical Понт-А-Муссон С.А.
Publication of RU95122762A publication Critical patent/RU95122762A/en
Application granted granted Critical
Publication of RU2105231C1 publication Critical patent/RU2105231C1/en

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Claims (12)

1. Трубчатый элемент, преимущественно из литого чугуна, для погруженного трубопровода, отличающийся тем, что снабжен системой наружного покрытия, включающей первый слой пористой структуры из сплава цинка и алюминия, содержащего 5 - 60% алюминия; и на первом слое второй пористый слой покрытия или "слой покрытия для уплотнения пор" из органического или минерального связующего в водной фазе, растворителе или порошковой фазе, толщиной 100 - 140 мкм.1. A tubular element, mainly of cast iron, for an immersed pipeline, characterized in that it is equipped with an outer coating system comprising a first layer of a porous structure of an alloy of zinc and aluminum containing 5-60% aluminum; and on the first layer, a second porous coating layer or “coating layer for sealing pores” of an organic or mineral binder in an aqueous phase, solvent or powder phase, 100 to 140 microns thick. 2. Трубчатый элемент по п. 1, отличающийся тем, что органическим связующим является битумный лак, каменноугольный пек или синтетический органический продукт. 2. The tubular element according to claim 1, characterized in that the organic binder is a bitumen varnish, coal tar pitch or a synthetic organic product. 3. Трубчатый элемент по п. 2, отличающийся тем, что органическим продуктом является эпоксидная смола. 3. The tubular element according to claim 2, characterized in that the organic product is epoxy resin. 4. Трубчатый элемент по п. 1, отличающийся тем, что покрытием для уплотнения пор является краска на водной основе. 4. The tubular element according to claim 1, characterized in that the coating for sealing pores is water-based paint. 5. Трубчатый элемент по п. 1, отличающийся тем, что покрытие из сплава образовано при плотности по меньшей мере 200 г/м2.5. The tubular element according to claim 1, characterized in that the alloy coating is formed at a density of at least 200 g / m 2 . 6. Трубчатый элемент по любому из пп. 1 - 5, отличающийся тем, что система покрытия дополнительно включает в себя слой из хромата цинка и/или фосфата цинка между первым и вторым слоями покрытия. 6. The tubular element according to any one of paragraphs. 1 to 5, characterized in that the coating system further includes a layer of zinc chromate and / or zinc phosphate between the first and second coating layers. 7. Погруженный трубопровод, образованный из трубчатых элементов, отличающийся тем, что использованы трубчатые элементы в соответствии с любым из пп. 1 - 6. 7. A submerged pipeline formed of tubular elements, characterized in that the tubular elements are used in accordance with any one of paragraphs. 16. 8. Способ нанесения покрытия на чугунный трубчатый элемент, отличающийся тем, что включает в себя по меньшей мере одну из следующих стадий: (а) электродуговое осаждение слоя покрытия из сплава цинка и алюминия, содержащего 5 - 60% алюминия; затем (b) осаждение второго слоя пористого покрытия для защиты чугунного трубного элемента, особенно из литого чугуна, от почвенной коррозии. 8. A method of coating a cast iron tubular element, characterized in that it includes at least one of the following stages: (a) electric arc deposition of a coating layer of an alloy of zinc and aluminum containing 5-60% aluminum; then (b) the deposition of a second layer of porous coating to protect the cast iron pipe element, especially cast iron, from soil corrosion. 9. Способ нанесения покрытия по п. 8, отличающийся тем, что покрытие из сплава наносят при поверхностной плотности по меньшей мере 200 г/м2.9. The method of coating according to claim 8, characterized in that the alloy coating is applied at a surface density of at least 200 g / m 2 . 10. Способ по п. 9, отличающийся тем, что второй слой покрытия наносят распылением. 10. The method according to p. 9, characterized in that the second coating layer is applied by spraying. 11. Способ по п. 9 или 10, отличающийся тем, что второй слой покрытия образуют толщиной между 100 - 140 мкм. 11. The method according to p. 9 or 10, characterized in that the second coating layer is formed with a thickness between 100 - 140 microns. 12. Способ по любому из пп. 9 - 10, отличающийся тем, что перед осаждением второго слоя осуществляют поверхностную конверсию первого слоя посредством хроматирования и/или фосфатирования. 12. The method according to any one of paragraphs. 9 to 10, characterized in that before the deposition of the second layer, surface conversion of the first layer is carried out by chromating and / or phosphating.
RU95122762A 1993-02-18 1994-02-17 Tubular member for submerged pipe-line, submerged pipe-line and process of deposition of coat on tubular member RU2105231C1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9301862 1993-02-18
FR9301862A FR2701754B1 (en) 1993-02-18 1993-02-18 Pipe element for buried pipe, corresponding buried pipe, and method for protecting such a pipe element.
PCT/FR1994/000181 WO1994019640A1 (en) 1993-02-18 1994-02-17 Piping element for burried conduit, corresponding burried conduit, and method for protecting said piping element

Publications (2)

Publication Number Publication Date
RU95122762A true RU95122762A (en) 1997-09-27
RU2105231C1 RU2105231C1 (en) 1998-02-20

Family

ID=9444194

Family Applications (1)

Application Number Title Priority Date Filing Date
RU95122762A RU2105231C1 (en) 1993-02-18 1994-02-17 Tubular member for submerged pipe-line, submerged pipe-line and process of deposition of coat on tubular member

Country Status (36)

Country Link
US (1) US5706866A (en)
EP (1) EP0686246B1 (en)
JP (1) JP2726565B2 (en)
KR (1) KR100313990B1 (en)
CN (1) CN1041457C (en)
AT (1) ATE179246T1 (en)
AU (1) AU679499B2 (en)
BG (1) BG99884A (en)
BR (1) BR9406146A (en)
CA (1) CA2156393C (en)
CZ (1) CZ285435B6 (en)
DE (1) DE69418029T2 (en)
DK (1) DK0686246T3 (en)
DZ (1) DZ1752A1 (en)
EC (1) ECSP941041A (en)
EG (1) EG20407A (en)
ES (1) ES2130408T3 (en)
FR (1) FR2701754B1 (en)
GR (1) GR3030027T3 (en)
HR (1) HRP940119B1 (en)
HU (1) HU218445B (en)
LT (1) LT3551B (en)
MA (1) MA23114A1 (en)
MX (1) MX9401293A (en)
NO (1) NO307272B1 (en)
PL (1) PL177929B1 (en)
RO (1) RO115823B1 (en)
RU (1) RU2105231C1 (en)
SA (1) SA94140738B1 (en)
SI (1) SI9400082B (en)
SK (1) SK100995A3 (en)
TN (1) TNSN94016A1 (en)
TR (1) TR27748A (en)
TW (1) TW264531B (en)
WO (1) WO1994019640A1 (en)
ZA (1) ZA941115B (en)

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