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Corrosion prevention method for margin plate of storage tank

A technology of edge boards and storage tanks, applied in the direction of adhesives, etc., can solve problems such as increased investment in manpower and material resources, safety problems of oil storage tanks, poor aging resistance, etc., to achieve convenient construction, simple structure, and long service life Effect

Inactive Publication Date: 2014-12-17
ZHENGZHOU ZHONGYUAN SILANDE HIGH TECH CO LTD
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Problems solved by technology

According to the above anti-corrosion method mentioned in the standard, there are one or more problems such as multi-layer and multiple construction, no resistance to edge plate deformation, easy layering and peeling off of physical coating, poor aging resistance and short overhaul time interval, etc., making Increased investment in manpower and material resources may even cause safety issues in oil storage tanks

Method used

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  • Corrosion prevention method for margin plate of storage tank
  • Corrosion prevention method for margin plate of storage tank
  • Corrosion prevention method for margin plate of storage tank

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Embodiment Construction

[0033] The technical solutions of the present invention will be further described below according to specific embodiments. The protection scope of the present invention is not limited to the following examples, which are listed for illustrative purposes only and do not limit the present invention in any way.

[0034] The invention provides an anticorrosion method for an edge plate of a storage tank, comprising:

[0035] Coating butyl viscoelastic anticorrosion paste at the lap joint of the edge plate and the abutment; and

[0036] Silicone anticorrosion sealant is coated on the edge board and the butyl viscoelastic anticorrosion paste.

[0037] The raw materials of the butyl viscoelastic anticorrosion paste used in the present invention include polyisobutylene, adhesion promoter, inorganic reinforcing powder and anti-aging agent, etc., and its main technical indicators are as shown in Table 1.

[0038] Table 1: Main technical indicators of butyl viscoelastic anticorrosion pa...

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Abstract

The invention provides a corrosion prevention method for a margin plate of a storage tank. The corrosion prevention method comprises the following steps: coating butyl viscoelastic body corrosion-prevention paste on an overlapped part of the margin plate and a base platform; and coating a silicone corrosion-prevention sealant on the margin plate and the butyl viscoelastic body corrosion-prevention paste to form an elastic seal. The corrosion prevention method adopts an elastic connection and sealing manner of combining the silicone corrosion-prevention sealant with good atmosphere aging resistance, great displacement capability and good bonding performance, and the butyl viscoelastic body corrosion-prevention paste with low water vapor penetration rate; the corrosion on the margin plate by the external environment can be effectively isolated; and meanwhile, the margin plate is simple in structure, convenient to construct, wide in applicable range and long in service life.

Description

technical field [0001] The invention relates to an anti-corrosion technology, in particular to an anti-corrosion method for edge plates of storage tanks. Background technique [0002] With the rapid development of the national economy, the number of various types of storage tanks in our country has increased several times, and the reserves have increased, resulting in an increasing load on the storage tanks, and the frequency of oil leakage caused by corrosion of the storage tanks has increased relatively. According to the analysis of relevant survey data, in the storage tank corrosion, the bottom plate corrosion accounts for 80%; in the bottom plate corrosion, the corrosion under the bottom plate accounts for 50%; in the bottom plate corrosion, the corrosion under the edge plate accounts for 60%. It can be seen that the corrosion of the edge plate of the bottom plate is one of the main reasons for the failure of the storage tank. In fact, the survey statistics are lower tha...

Claims

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Application Information

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IPC IPC(8): C09J183/04C09J183/06C08L23/20
Inventor 张燕红陆瑜翀袁培峰张焕焕张燕青王玲玲安静王谦姚志鹏
Owner ZHENGZHOU ZHONGYUAN SILANDE HIGH TECH CO LTD
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