Metal hose suitable for offshore oilfield central drainage system and preparation method thereof

A metal hose and drainage system technology, applied in the direction of hoses, pipes, mechanical equipment, etc., can solve the problems of affecting the elasticity of metal hoses, multiple dynamic sealing points, and inconvenient movement of oil tanks, etc., to achieve long service life, Ease of movement and smooth drainage

Active Publication Date: 2018-04-24
WUXI YONGXING METAL HOSE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main problems of using folded tubes are: there are multiple dynamic sealing points in the tank, and the leakage problem seriously affects the service life of the oil tank, and the tank is often cleared to solve the leakage
However, this solution has shortcomings: it affects the elasticity of the metal hose itself, so it is inconvenient to move in the oil tank; in addition, the joint between the weight pipe collar and the metal hose is easily corroded, thus affecting the use of the metal hose life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A metal hose suitable for the central drainage system of offshore oilfields. The metal hose includes a mesh body and connection joints at both ends. The mesh body includes metal bellows, connecting pipes, rings, and steel wire mesh sleeves; the metal corrugated The tube is made of the following components in proportion by weight: 16 parts of nickel, 12 parts of aluminum, 3 parts of brass, 6 parts of titanium, 2 parts of silver oxide, 1 part of calcium silicate, and 1 part of graphite.

[0025] A preparation method of a metal hose suitable for the central drainage system of an offshore oil field. The metal hose is welded by a mesh body part and connecting joints at both ends, and the mesh body is welded by a metal bellows, a connecting pipe, a ring, and a steel wire mesh sleeve ; The preparation process of the metal bellows is as follows:

[0026] (1) Substrate preparation: Put nickel into a metal melting furnace and melt it at a temperature of 1500°C, then put aluminum ...

Embodiment 2

[0033] A metal hose suitable for the central drainage system of offshore oilfields. The metal hose includes a mesh body and connection joints at both ends. The mesh body includes metal bellows, connecting pipes, rings, and steel wire mesh sleeves; the metal corrugated The tube is made of the following components in proportion by weight: 30 parts of nickel, 15 parts of aluminum, 7 parts of brass, 8 parts of titanium, 5 parts of silver oxide, 4 parts of calcium silicate, and 3 parts of graphite.

[0034] A preparation method of a metal hose suitable for the central drainage system of an offshore oil field. The metal hose is welded by a mesh body part and connecting joints at both ends, and the mesh body is welded by a metal bellows, a connecting pipe, a ring, and a steel wire mesh sleeve ; The preparation process of the metal bellows is as follows:

[0035] (1) Substrate preparation: Put nickel into a metal melting furnace, melt it at a temperature of 1850°C, then put aluminum a...

Embodiment 3

[0042] A metal hose suitable for the central drainage system of offshore oilfields. The metal hose includes a mesh body and connection joints at both ends. The mesh body includes metal bellows, connecting pipes, rings, and steel wire mesh sleeves; the metal corrugated The tube is made of the following components in proportion by weight: 35 parts of nickel, 18 parts of aluminum, 9 parts of brass, 11 parts of titanium, 7 parts of silver oxide, 6 parts of calcium silicate, and 4 parts of graphite.

[0043] A preparation method of a metal hose suitable for the central drainage system of an offshore oil field. The metal hose is welded by a mesh body part and connecting joints at both ends, and the mesh body is welded by a metal bellows, a connecting pipe, a ring, and a steel wire mesh sleeve ; The preparation process of the metal bellows is as follows:

[0044] (1) Substrate preparation: Put nickel into a metal melting furnace, melt it at a temperature of 2200°C, then put aluminum ...

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Abstract

The invention discloses a metal hose suitable for a central drainage system of an offshore oil field and a preparation method of the metal hose. The metal hose comprises a net body part and connectors located at the two ends of the net body part. The net body part comprises a metal corrugated pipe, a connecting pipe, a ring and a steel wire mesh sleeve. The metal corrugated pipe is prepared from, by weight, 16-35 parts of nickel, 12-18 parts of aluminum, 3-9 parts of brass, 6-11 parts of titanium, 2-7 parts of silver oxide, 1-6 parts of calcium silicate, and 1-4 parts of graphite. Firstly, the metal hose can adapt to various kinds of external force in an oil tank and is convenient to move; secondly, the metal hose is not prone to corrosion in the oil tank and long in service life; and thirdly, air resistance cannot be caused by the metal hose, and drainage is smooth.

Description

technical field [0001] The invention belongs to the field of metal materials and relates to a metal pipe, in particular to a metal hose suitable for a central drainage system of an offshore oil field and a preparation method thereof. Background technique [0002] With the rapid development of the petroleum industry and the needs of energy saving and environmental protection, external floating roof oil tanks have been widely used in oil fields, refineries, some large oil depots and wharves in my country. The floating roof of the external floating roof oil tank is directly exposed to the atmosphere and is greatly affected by the weather and the external environment. In order to timely remove the precipitation collected on the floating roof, a central drainage pipe is set. Since the first steel pipes connected by multi-section joints are used, they are straightened or bent as the floating roof rises and falls, so they are also called drainage folded pipes. [0003] At present...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C32/00C22C30/02C22C1/02F16L11/15
CPCC22C1/023C22C19/007C22C19/03C22C30/02C22C32/0005F16L11/15
Inventor 王铮
Owner WUXI YONGXING METAL HOSE
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