A metal pressure plate anti-corrosion rubber encapsulation process for the primary sealing device of an oil tank

A metal pressing plate and secondary sealing technology, which is applied in lamination devices, lamination, lamination auxiliary operations, etc., can solve the problems of water vapor corrosion, oil gas and crude oil corrosion, etc., and achieve good water vapor corrosion resistance and prolong The effect of excellent service life and physical support performance

Active Publication Date: 2018-04-24
中国化工集团曙光橡胶工业研究设计院有限公司
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AI Technical Summary

Problems solved by technology

However, the performance of water vapor corrosion, oil gas and crude oil corrosion is poor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0035] An anti-corrosion encapsulation process of a metal pressure plate for a primary sealing device of an oil tank, comprising:

[0036] (1) Prepare anti-corrosion film for use

[0037] The production process is as follows:

[0038] ——Hot refining: Ø450×1200 rubber mixing machine Roll distance: 4~5㎜ Roller temperature: 40~50℃

[0039] ——Glue supply: Ø360×900 rubber mixing machine Roll distance: 4~5㎜ Roller temperature: 40~50℃

[0040] ——Calendering: Ø450×1200 three-roll calender Speed ​​ratio: 1:1:1 Roll temperature: upper 55-60°C, middle 60-65°C, lower cold roll.

[0041] ——Film requirements: thickness 0.65㎜, thickness 1.5㎜, smooth and bubble-free.

[0042] The calendering width is 800mm±5mm, and the film is rolled up with a clean cloth for drawing samples.

[0043] Drawing specifications are:

[0044] a) 0.6mm thick film Large platen 50mm×1020 mm;

[0045] Small platen 50mm×120 mm;

[0046] b) 1.5mm thick film Large platen 500mm×105 mm;

[0047] Small platen 50mm×1...

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Abstract

The present invention discloses an anti-corrosive rubber cladding process for a metal platen of an oil tank single sealing apparatus. The process comprises the steps of: preparing anti-corrosive rubber sheets for standby application; pretreating the processed metal platen; applying an adhesive on a surface of the metal platen; cladding a rubber layer; and vulcanizing. The advantages of the present invention are that the metal platen produced by using the process not only has excellent physical support performance and good water vapor corrosion resistance, but also has functions such as resistance to oil vapor and crude oil corrosion. The process is mainly used under a special environment with a higher concentration of oil vapor of crude oil inside the oil tank and in a humid climate. Anti-corrosive cladding rubber can effectively protect the metal platen from corrosive damage and plays an important role in extending service life of the metal platen.

Description

technical field [0001] The invention relates to a metal pressing plate of a primary sealing device of an oil tank, in particular to an anti-corrosion rubber covering process for the metal pressing plate of the primary sealing device of an oil tank. Background technique [0002] Existing floating roof storage tanks (such as light crude oil, aviation kerosene, aromatic hydrocarbons, ketones, aldehydes, ethyl acetate, etc.) often use bladder seals, that is, the primary sealing device of the oil tank, and its installation must use metal pressure plates and bolts Nut fixed. In order to prevent corrosion, the general metal plate is galvanized on the surface. However, the performance of water vapor corrosion, oil gas and crude oil corrosion is poor. Contents of the invention [0003] The object of the present invention is to provide a metal pressure plate anti-corrosion rubber encapsulation process for the primary sealing device of an oil tank. [0004] Realize the technical s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B38/16B32B37/12B32B38/00B32B37/10B32B15/06B32B7/12B29C35/04
CPCB29C35/049B32B7/12B32B15/06B32B37/10B32B37/1284B32B38/00B32B38/162B32B38/164B32B2038/0076
Inventor 陶刚熊明明李俊
Owner 中国化工集团曙光橡胶工业研究设计院有限公司
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