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Anti-corrosion coating for underground oil storage tank and preparation method of anti-corrosion coating

An anti-corrosion coating, oil storage tank technology, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve the problems of catalyst poisoning, shortening the service life of crude oil storage tanks, affecting the stable operation of the device, etc. Enhances corrosion resistance and reduces penetration

Inactive Publication Date: 2019-04-12
镇江利德尔复合材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the gradual intensification of competition for crude oil resources, many oil fields at home and abroad have adopted various additives to increase crude oil production, which makes the stored oil gradually develop in the unfavorable direction of inferior quality, high sulfur content, and heavy quality. As a result, the service life of the crude oil storage tank is greatly shortened, and even the catalyst may be poisoned due to the corrosion products entering the subsequent process, which will affect the stable operation of the device

Method used

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  • Anti-corrosion coating for underground oil storage tank and preparation method of anti-corrosion coating
  • Anti-corrosion coating for underground oil storage tank and preparation method of anti-corrosion coating
  • Anti-corrosion coating for underground oil storage tank and preparation method of anti-corrosion coating

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preparation example Construction

[0049] A preparation method for an anti-corrosion coating for underground petroleum storage tanks, comprising the following steps:

[0050] Step 1. Pour the silicate solution into a container and heat to 50-70°C;

[0051] Step 2. Slowly add the silane coupling agent dropwise under stirring adjustment, and mix evenly;

[0052] Step 3: Add nano-zinc oxide, nano-cerium oxide, and nano-silicon oxide into the container, and ultrasonically for 2-3 hours;

[0053] Step 4, add epoxy resin emulsion, stir and disperse at a speed of 780-1000rpm for 2-3h, and prepare a mixed solution;

[0054] Step 5, adding curing agent and defoaming agent phenolic resin into the mixed solution, stirring and mixing evenly, and cooling to room temperature;

[0055] Step 6. Add ultra-fine zinc powder, continue to stir evenly, and discharge air bubbles to prepare anti-corrosion coating.

[0056] The anticorrosion paint component includes a first component and a second component, and the composition and m...

Embodiment 1

[0063] An anti-corrosion coating for underground petroleum storage tanks, its components include a first component and a second component, the composition and mass parts ratio of the first component are: 10 parts of epoxy resin, 30 parts of zinc powder, 6 parts of nano-zinc oxide, 6 parts of nano-titanium dioxide, 5 parts of silicate, 6 parts of nano-cerium oxide, 5 parts of phenolic resin, 5 parts of silane coupling agent, and 1 part of defoamer; the second The components and the ratio of parts by mass are: 30 parts of curing agent and 10 parts of solvent; the ratio of parts by mass of the first component to the second component is 1:1.

[0064] The epoxy resin is water-based epoxy resin. The curing agent is triethylenetetramine, and the solvent is water. Described defoamer is SD-202.

[0065] A preparation method for an anti-corrosion coating for underground petroleum storage tanks, characterized in that it comprises the following steps:

[0066] Step 1. Pour the silicate s...

Embodiment 2

[0073] An anti-corrosion coating for underground petroleum storage tanks, its components include a first component and a second component, the composition and mass parts ratio of the first component are: 30 parts of epoxy resin, 50 parts of zinc powder, 11 parts of nano-zinc oxide, 11 parts of nano-titanium dioxide, 10 parts of silicate, 11 parts of nano-cerium oxide, 10 parts of phenolic resin, 10 parts of silane coupling agent, 2 parts of defoaming agent; the second The composition and mass ratio of the components are: curing agent 80, solvent 50; the mass ratio of the first component to the second component is 6:1.

[0074] The epoxy resin is water-based epoxy resin. The curing agent is triethylenetetramine, and the solvent is water. The defoamer is SD-202.

[0075] A preparation method for an anti-corrosion coating for underground petroleum storage tanks, characterized in that it comprises the following steps:

[0076] Step 1. Pour the silicate solution into a container...

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Abstract

The invention discloses an anti-corrosion coating for an underground oil storage tank. The anti-corrosion coating comprises a first component and a second component; the first component comprises thefollowing components in parts by mass: 10-30 parts of epoxy resin, 30-50 parts of zinc powder, 6-11 parts of nano zinc oxide, 6-11 parts of nano titanium dioxide, 5-10 parts of silicate, 6-11 parts ofnano cerium oxide, 5-10 parts of phenolic resin, 5-10 parts of a silane coupling agent and 1-2 parts of a defoaming agent; and the second component comprises the following components in parts by mass: 30-80 parts of a curing agent and 10-50 parts of a solvent, wherein the mass part ratio of the first component to the second component is (1-6):1. The invention provides the anti-corrosion coating for the underground oil storage tank, and corrosion resistance of the anti-corrosion coating is improved by adjusting the content of the added zinc powder and other components. The invention further provides a preparation method of the anti-corrosion coating for the underground oil storage tank.

Description

technical field [0001] The invention relates to the field of preventing corrosion of storage tanks in crude oil exploitation, in particular to an anticorrosion coating for underground petroleum storage tanks and a preparation method thereof. Background technique [0002] The liquefied petroleum gas storage tanks used underground include compressed gas or liquefied gas storage tanks, etc. The liquefied petroleum gas storage tanks can be divided into two types: fixed volume storage tanks and movable volume storage tanks according to the volume change of the container, and large fixed volume liquefied petroleum gas storage tanks The storage tank is made into a spherical shape, and the small one is made into a cylindrical shape. Crude oil is liquid at normal temperature and pressure. In addition to the main components of hydrocarbons, there are also a small amount of inorganic salts, sulfides, chlorides, organic acids, carbon dioxide and water. Although the content is very small...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D5/10
CPCC08K2003/0893C08K2003/2213C08K2003/2241C08K2003/2296C08K2201/011C09D5/106C09D163/00C08L61/06C08K13/02C08K3/08C08K3/22C08K3/34
Inventor 谢富平邱丰徐向军
Owner 镇江利德尔复合材料有限公司