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Multiple composite corrosion inhibitor and preparation method thereof

A multi-component composite and corrosion inhibitor technology, applied in the field of water treatment, can solve problems such as poor corrosion inhibition performance, and achieve strong oxidation resistance, convenient use, and good film-forming properties

Inactive Publication Date: 2016-07-13
安徽马钢和菱实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Sodium polyepoxysuccinate alone also has certain corrosion inhibition performance, but its corrosion inhibition performance is inferior to other organic phosphonate corrosion inhibitors

Method used

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  • Multiple composite corrosion inhibitor and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0021] A multi-component composite corrosion inhibitor, made of the following raw materials in parts by weight: 5 parts of polyepoxysuccinic acid, 6 parts of benzotriazole, 8 parts of calcium gluconate, 5 parts of sodium silicate, secondary alkylsulfonic acid 4 parts of sodium, 1 part of sodium alginate, 1.5 parts of zinc sulfate, 2.5 parts of sodium borate, 1 part of sodium citrate, 2 parts of stearyl polyoxyethylene ether, 3 parts of dimethyl ketoxime, 4 parts of ethylene glycol ether part, 3 parts of ethylenediamine, 0.6 part of tea saponin, 0.8 part of bactericide, 1.0 part of chelating agent, 0.3 part of calcium nitrite, 6 parts of glycerol, 8 parts of ethanol, 30 parts of deionized water; the bactericide is guanidine Class bactericide, the chelating agent is potassium sodium tartrate;

[0022] The preparation method comprises the following steps:

[0023] (1) prepare materials respectively according to the consumption of each component;

[0024] (2) Add deionized water...

Embodiment 2

[0029] A multi-component composite corrosion inhibitor, made of the following raw materials in parts by weight: 9 parts of polyepoxysuccinic acid, 6 parts of benzotriazole, 6 parts of calcium gluconate, 8 parts of sodium silicate, secondary alkylsulfonic acid 2 parts of sodium, 0.5 parts of sodium alginate, 2 parts of zinc sulfate, 2.5 parts of sodium borate, 1.0 part of sodium citrate, 2.5 parts of stearyl polyoxyethylene ether, 2 parts of dimethyl ketoxime, 4 parts of ethylene glycol ether part, 2 parts of ethylenediamine, 0.8 part of tea saponin, 1.5 parts of bactericide, 0.6 part of chelating agent, 0.4 part of calcium nitrite, 6 parts of glycerin, 5 parts of ethanol, 40 parts of deionized water; Class bactericide, the chelating agent is potassium sodium tartrate;

[0030] The preparation method comprises the following steps:

[0031] (1) prepare materials respectively according to the consumption of each component;

[0032] (2) Add deionized water to the configuration t...

Embodiment 3

[0037]A multi-component composite corrosion inhibitor, made of the following raw materials in parts by weight: 6 parts of polyepoxysuccinic acid, 9 parts of benzotriazole, 8 parts of calcium gluconate, 5 parts of sodium silicate, secondary alkylsulfonic acid 2 parts of sodium, 1.5 parts of sodium alginate, 1 part of zinc sulfate, 1 part of sodium borate, 2 parts of sodium citrate, 2 parts of stearyl polyoxyethylene ether, 3 parts of dimethyl ketoxime, 2 parts of ethylene glycol ether part, 3 parts of ethylenediamine, 0.8 part of tea saponin, 1.2 parts of bactericide, 1.8 parts of chelating agent, 0.3 part of calcium nitrite, 8 parts of glycerol, 6 parts of ethanol, 35 parts of deionized water; Class bactericide, the chelating agent is potassium sodium tartrate;

[0038] The preparation method comprises the following steps:

[0039] (1) prepare materials respectively according to the consumption of each component;

[0040] (2) Add deionized water to the configuration tank, an...

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Abstract

The invention relates to a multiple composite corrosion inhibitor and a preparation method thereof.The multiple composite corrosion inhibitor is made from the following materials according to parts by weight: 5-10 parts of polyepoxysuccinic acid, 5-10 parts of calcium gluconate, 5-10 parts of sodium silicate, 1-5 parts of secondary alkane sodium sulfonate, 0.5-2 parts of sodium alginate, 0.5-3 parts of zinc sulfate, 0.5-3 parts of sodium borate, 1-3 parts of sodium citrate, 1-3 parts of octadecanol polyoxyethylene ether, 1-5 parts of dimethylketoxime, 1-5 parts of ethylene glycol ethyl ether, 1-5 parts of ethylenediamine, 0.5-1 parts of tea saponin, 0.5-2 parts of a bactericide, 0.5-2 parts of a chelating agent, 0.1-0.5 part of calcium nitrite, 5-10 parts of glycerol, 5-10 parts of ethyl alcohol, and 20-50 parts of deionized water.The multiple composite corrosion inhibitor is widely applicable to carbon steel, stainless steel, aluminum and copper equipment; the corrosion inhibiting capacity meets the provisions in GB50050-2007 design standard for industrial circulating water, and the inhibitor of the invention has the advantages of no phosphorus, environment friendliness, high oxidation resistance, convenience of use and the like.

Description

technical field [0001] The invention relates to a corrosion inhibitor, which belongs to the field of water treatment, in particular to a multi-component composite corrosion inhibitor and a preparation method thereof. Background technique [0002] At present, the scarcity of water resources has become one of the crises faced by our country and the whole world. It is imperative to save water and improve the utilization rate of water resources. Therefore, water saving must first start from industry and agriculture, which use relatively concentrated water. Since cooling water accounts for 60%-70% of industrial water, undoubtedly, saving cooling water has become a major issue of industrial water saving. Cooling water can be divided into direct cooling water and circulating cooling water. The former discharges the water used for cooling directly, so it consumes a lot of water; the circulating cooling water cools the water cooled by water through the cooling tower and then uses i...

Claims

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Application Information

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IPC IPC(8): C02F5/10C02F5/12C02F5/08
CPCC02F5/08C02F5/105C02F5/125C02F2303/08
Inventor 钱和革
Owner 安徽马钢和菱实业有限公司
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