Neutralizing corrosion inhibitor and its preparation method and application
A corrosion inhibitor and corrosion agent technology, applied in the field of neutralization corrosion inhibitor and its preparation, can solve the problems of insufficient protection effect, complicated operation process, troublesome post-processing, etc., achieve good water solubility, simple production process, low cost effect
Active Publication Date: 2020-05-19
CHINA UNIV OF PETROLEUM (EAST CHINA)
View PDF6 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
For example, Chinese patent CN2015105819428 discloses "a preparation method of an oil-soluble corrosion inhibitor for suppressing recurrent corrosion at the top of a fractionation tower". It is more complicated and inconvenient to apply; compared with oil-soluble corrosion inhibitors, the post-treatment process of water-soluble corrosion inhibitors is simpler and more suitable for existing processes, but its slow-release effect is poor and cannot provide sufficient protection
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0038] A neutralizing corrosion inhibitor, comprising raw material components and parts by weight: 20 parts of disodium cocoamphodiacetate, 10 parts of ethylenediamine, 5 parts of sodium cetylbenzenesulfonate, fatty alcohol 5 parts of polyoxyethylene ether, 2 parts of butynediol.
Embodiment 2
[0040] A neutralizing corrosion inhibitor, comprising raw material components and parts by weight: 50 parts of sodium lauroamphoacetate, 30 parts of thiophene, 5 parts of sodium dodecylsulfonate, and 5 parts of potassium iodide.
Embodiment 3
[0042] A neutralizing corrosion inhibitor, comprising raw material components and parts by weight: 30 parts of disodium lauroamphodiacetate, 5 parts of trimethylamine as an organic amine, 10 parts of ethylenediamine, 5 parts of thiourea, auxiliary The surfactant is 10 parts of cetyltrimethylammonium bromide, and the auxiliary agents are propynyl alcohol and potassium iodide, wherein, there are 2 parts of propynyl alcohol and 2 parts of potassium iodide.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention provides a neutralizing corrosion inhibitor and its preparation method and application, which belong to the technical field of chemical industry and can solve the technical problems of poor slow-release effect and insufficient protection effect of existing water-soluble corrosion inhibitors. The raw material components and parts by weight of the neutralizing corrosion inhibitor are: 20-50 parts of amphoteric imidazoline corrosion inhibitors, 10-30 parts of organic amines, 5-30 parts of auxiliary surfactants, 2-5 parts of auxiliary agents share. The corrosion inhibitor provided by the invention has good water solubility, has the advantages of convenient use and excellent corrosion inhibition performance, is applied to oil processing equipment anticorrosion, can well adapt to the working environment of high temperature and high acid, and has good Protective effect, and the production process of the corrosion inhibitor is simple, low in cost, environmentally friendly, and has good economic value.
Description
technical field [0001] The invention belongs to the technical field of chemical industry, and in particular relates to a neutralizing corrosion inhibitor and a preparation method and application thereof. Background technique [0002] Due to the increasingly heavy quality of conventional crude oil, the trend of crude oil inferiority is becoming more and more obvious. In addition, a large amount of acid liquid is injected to enhance oil recovery in the process of oil field exploitation, so that the ratio of acid content, sulfur content, chlorine content and salt content in crude oil is getting higher and higher. As a result, the equipment in the oil processing process, such as atmospheric and vacuum, distillation equipment and pipelines, etc. are seriously corroded, and become an important safety hazard for the long-term operation of the equipment. [0003] In addition to hydrocarbons, crude oil also contains a small amount of organic and inorganic hybrids composed of sulfur, ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): C23F11/08
CPCC23F11/08
Inventor 王生杰夏永清刘方园张晓曹美文
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)