Environment-friendly composite corrosion and scale inhibitor as well as preparation method and application thereof

By using an environmentally friendly composite corrosion inhibitor containing organic acid compounds, isoquinoline compounds, glycoline compounds and polyaspartic acid in energy storage equipment, the problem of insufficient metal corrosion and scale resistance in energy storage equipment is solved, and efficient metal corrosion protection and scale resistance are achieved, and good environmental protection performance is achieved.

CN119685827AActive Publication Date: 2025-03-25CHINA PETROLEUM & CHEMICAL CORP +1
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Patent Information

Application Number
CN202311242407.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-09-25
Publication Date
2025-03-25
Estimated Expiration
2043-09-25

AI Technical Summary

Technical Problem

The prior art lacks composite corrosion inhibitors specifically used in energy storage equipment, resulting in metal corrosion risks and poor scale resistance performance, which cannot meet the high temperature control requirements of energy storage equipment, and there is a problem of insufficient environmental protection performance.

Method used

An environmentally friendly composite corrosion inhibiting scale inhibitor is provided, containing organic acid compounds, isoquinoline compounds, and glycoside compounds as corrosion inhibitors, and is combined with polyaspartic acid as scale inhibitors, combined with base liquids such as ethylene glycol, propylene glycol and water to form excellent metal corrosion protection and scale inhibitor properties.

Benefits of technology

This environmentally friendly composite corrosion-inhibiting scale inhibitor significantly improves metal corrosion protection and scale resistance, can effectively prevent metal corrosion and runner blockage, ensure the normal operation of the temperature control system of the energy storage equipment, and has good environmental protection performance.

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Abstract

The invention relates to the technical field of corrosion and scale inhibitors, in particular to an environment-friendly composite corrosion and scale inhibitor as well as a preparation method and application thereof. The environment-friendly composite corrosion and scale inhibitor provided by the invention comprises the following components in percentage by weight: 12-35% of a corrosion inhibitor, 3-10% of a scale inhibitor, 0.5-5% of an antioxidant and the balance of water, the corrosion inhibitor comprises an organic acid compound, an isoquinoline compound and a glycoside compound; the scale inhibitor comprises polyaspartic acid. The environment-friendly composite corrosion and scale inhibitor can be applied to manufacturing of cooling liquid for energy storage equipment. The environment-friendly composite corrosion and scale inhibitor provided by the invention has excellent metal corrosion protection function, scale inhibition performance and environmental protection performance, can effectively prevent metal corrosion and flow channel blockage, and ensures normal operation of a temperature control system of energy storage equipment.
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