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A hoisting method in the manufacturing process of 2205 duplex stainless steel chemical tanker

A duplex stainless steel, chemical tanker technology, applied in transportation and packaging, load hoisting components, ships, etc., can solve the problems of weakened anti-corrosion performance, intergranular corrosion of ships, and hidden dangers in the use of ships, avoiding deformation, reducing The effect of panel deformation and avoiding tearing of welds

Active Publication Date: 2022-03-08
AVIC DINGHENG SHIPBUILDING
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AI Technical Summary

Problems solved by technology

Due to its dual-phase characteristics and stainless steel anti-corrosion requirements, the liquid cargo surface of stainless steel should avoid hanging welding as far as possible, so as to avoid defects on the stainless steel surface during welding and cutting, weaken the anti-corrosion performance of the defect position, and cause hidden dangers to the safety of ships
In addition, because the contact between carbon steel and stainless steel will lead to carburization, carburization will reduce the ability of stainless steel to resist intergranular corrosion, resulting in intergranular corrosion on ships, seriously affecting the safety of ship loading, so the surface of stainless steel cannot be in contact with carbon steel

Method used

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  • A hoisting method in the manufacturing process of 2205 duplex stainless steel chemical tanker
  • A hoisting method in the manufacturing process of 2205 duplex stainless steel chemical tanker
  • A hoisting method in the manufacturing process of 2205 duplex stainless steel chemical tanker

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Embodiment Construction

[0033] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, it should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention, after reading the present invention, those skilled in the art will understand various aspects of the present invention Modifications in equivalent forms all fall within the scope defined by the appended claims of this application.

[0034] A hoisting method for the manufacturing process of a 2205 duplex stainless steel chemical tanker, comprising the following steps:

[0035] A. After the stainless steel plate arrives at the site, use vacuum suction cups or stainless steel plate clamps for lifting. The main purpose of using vacuum suction cups or stainless steel plate clamps is to prevent other lifting tools from scratching the surface of the stainless steel plate;

[0036] B. Hoist the jigsaw 2 af...

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Abstract

The invention discloses a hoisting method in the manufacturing process of a 2205 duplex stainless steel chemical tanker. The hoisting method includes hoisting the stainless steel plate with vacuum suction cups or stainless steel plate clamps after the stainless steel plate arrives at the site; The hoisting of sections, bilge sub-sections, side sections and deck sections should be done reasonably, and the position and material of the hanging codes should be arranged reasonably to avoid direct damaging contact between the carbon steel hanging codes and the stainless steel plate. The hoisting method of the 2205 duplex stainless steel chemical tanker manufacturing process of the present invention effectively protects the anticorrosion performance of the 2205 duplex stainless steel from being damaged.

Description

technical field [0001] The invention relates to a manufacturing method of a stainless steel chemical tanker, in particular to a hoisting method in the manufacturing process of a 2205 duplex stainless steel chemical tanker. Background technique [0002] Due to the advancement of material science and the enhancement of smelting capacity, 2205 duplex stainless steel is gradually used in large quantities on chemical tankers. Due to its dual-phase characteristics and stainless steel anti-corrosion requirements, the liquid cargo surface of stainless steel should avoid hanging welding as much as possible, so as to avoid defects on the stainless steel surface during welding and cutting, weaken the anti-corrosion performance of the defect position, and cause hidden dangers to the safety of ships. In addition, because the contact between carbon steel and stainless steel will lead to carburization, carburization will reduce the ability of stainless steel to resist intergranular corrosi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B63B73/30B63B73/43B66C1/10B66C13/08
CPCB63B73/30B63B73/43B66C1/10B66C13/08
Inventor 张富伟张亮蔡晓庆叶威君
Owner AVIC DINGHENG SHIPBUILDING
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