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A kind of plant-type composite high-efficiency corrosion inhibitor and its preparation method and application

A plant-based, corrosion inhibitor technology, applied in chemical instruments and methods, and other chemical processes, can solve the problems of no reference to the corrosion inhibition effect of plants and concrete, complex preparation methods of corrosion inhibitors, and low efficiency of extracting active ingredients , to achieve the effect of inhibiting corrosion reaction, stabilizing corrosion inhibition effect and less additive dosage

Active Publication Date: 2021-12-28
新疆交通科学研究院有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Existing corrosion inhibitors have corrosion inhibition effect on carbon steel, but do not mention the corrosion inhibition effect on plants and concrete; in addition, corrosion inhibitors extracted from plants have high cost and low efficiency of extracting active ingredients, making it difficult to form industrialized production
The preparation method of the existing corrosion inhibitor is complicated, and chemical pollution is generated during the preparation process

Method used

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  • A kind of plant-type composite high-efficiency corrosion inhibitor and its preparation method and application
  • A kind of plant-type composite high-efficiency corrosion inhibitor and its preparation method and application

Examples

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Effect test

Embodiment 1

[0027] A plant-type composite high-efficiency corrosion inhibitor, made of the following raw materials in mass percentage: 65.7% of plants, 7.9% of sodium molybdate, 5.3% of sodium gluconate, 10.5% of sodium tartrate, 5.3% of zinc sulfate and 5.3% of potassium dihydrogen phosphate %; The plant is dry kelp.

[0028] The preparation method of the plant-type composite high-efficiency corrosion inhibitor described in the present embodiment comprises the following steps:

[0029] (1) Under normal temperature and dry environment, crush the plant with a universal crusher to a size below 80 μm to obtain plant powder;

[0030] (2) Prepare raw materials according to the proportion, add sodium molybdate, sodium gluconate, sodium tartrate, zinc sulfate and potassium dihydrogen phosphate to the plant powder described in step (1), grind to below 80 μm, and form a powdery plant type Composite high-efficiency corrosion inhibitor.

[0031] The application of the plant-type composite high-eff...

Embodiment 2

[0033]A plant-type composite high-efficiency corrosion inhibitor, made of the following raw materials in mass percentage: 56.82% of plants, 6.82% of sodium molybdate, 4.55% of sodium gluconate, 9.09% of sodium tartrate, 4.54% of zinc sulfate and 18.18% of potassium dihydrogen phosphate %; The plant is dry kelp.

[0034] The preparation method of plant-type composite high-efficiency corrosion inhibitor described in the present embodiment comprises the following steps:

[0035] (1) Under normal temperature and dry environment, crush the plant with a universal crusher to a size below 80 μm to obtain plant powder;

[0036] (2) Prepare raw materials according to the proportion, add sodium molybdate, sodium gluconate, sodium tartrate, zinc sulfate and potassium dihydrogen phosphate to the plant powder described in step (1), grind to below 80 μm, and form a powdery plant type Composite high-efficiency corrosion inhibitor.

[0037] The application of the plant-type composite high-ef...

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Abstract

The invention provides a plant-type composite high-efficiency corrosion inhibitor, which is made of the following raw materials in mass percentage: 12-66.0% of plants, 5.0-16.0% of sodium molybdate, 1.5-12% of sodium gluconate, and 3.5-25% of sodium tartrate %, zinc sulfate 0‑23% and potassium dihydrogen phosphate 4.0‑23.0%. The corrosion inhibitor of the invention has strong corrosion inhibition ability, and can exert corrosion inhibition effect on chlorine salt type deicing agent. After adding the corrosion inhibitor, it can reduce the corrosion of the chloride-salt deicing agent to metal and concrete and the damage to the vegetation. The corrosion inhibitor is mainly plant-based, non-toxic, and is a very efficient and environmentally friendly corrosion inhibitor. The invention also provides the preparation method and application of the plant-type composite high-efficiency corrosion inhibitor.

Description

technical field [0001] The invention belongs to the technical field of corrosion inhibitors, in particular to a plant-type composite high-efficiency corrosion inhibitor and a preparation method thereof. Background technique [0002] There are many methods of metal protection, among which the method of protecting metal by corrosion inhibitor has a bright prospect because of its characteristics of less dosage, quick effect, wide source and strong applicability. The types of corrosion inhibitors vary according to the classification methods: according to their physical properties, they can be divided into inorganic corrosion inhibitors and organic corrosion inhibitors; according to the type of medium used, they can be divided into acidic corrosion inhibitors, neutral corrosion inhibitors Corrosion inhibitors and alkaline corrosion inhibitors. The corrosion inhibitors studied earlier were mainly inorganic corrosion inhibitors such as chromate and mercury salts, but with the deve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K3/18C23F11/12
Inventor 刘书君何勇刘健胡智轩欧阳卫锋祝解刘旭冯小雨杨杜冰
Owner 新疆交通科学研究院有限责任公司
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