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Boiler descaling agent and preparation process thereof

A descaling agent, boiler technology, applied in detergent compositions, non-surface-active cleaning solvents, non-surface-active detergent compositions, etc., can solve the problems of reducing equipment service life, equipment corrosion, and high costs, and achieves reduction in corrosion. Strength, low cost, and fast descaling

Inactive Publication Date: 2016-08-24
ZHENJIANG WEIFU BOILER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the existing descaling agent can achieve the effect of descaling, it takes a long time and the cost of preparation is high. Moreover, after the scale is removed, the descaling agent will cause corrosion to the equipment covered by the scale, reducing the service life of the equipment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A boiler descaling agent proposed by the present invention comprises the following components in parts by weight: 10 parts of acetic acid, 25 parts of glycolic acid, 17 parts of ethanol, 8 parts of butanol, 10 parts of 8-hydroxyquinoline, imidazoline corrosion inhibitors 4 parts of agent, 26 parts of deionized water.

[0018] Its preparation process includes the following steps;

[0019] S1: Add corresponding weight parts of ethanol to the reaction device to neutralize 8-hydroxyquinoline, and mechanically stir for 15 minutes to obtain an ethanol solution of 8-hydroxyquinoline;

[0020] S2: Put corresponding parts by weight of acetic acid, glycolic acid, butanol, and deionized water in a stirrer and mechanically stir for 15 minutes, add the ethanol solution of 8-hydroxyquinoline prepared above, and add imidazoline corrosion inhibitors, continue Stir for 25 minutes to obtain the finished product solution;

[0021] S3: Bottling and packaging the finished solution to obta...

Embodiment 2

[0023] A boiler descaling agent proposed by the present invention comprises the following components in parts by weight: 15 parts of acetic acid, 15 parts of oxalic acid, 15 parts of ethanol, 10 parts of isopropanol, 8 parts of 8-hydroxyquinoline, imidazoline corrosion inhibitors 6 parts of agent, 31 parts of deionized water.

[0024] Its preparation process includes the following steps;

[0025] S1: Add corresponding weight parts of ethanol to the reaction device to neutralize 8-hydroxyquinoline, and mechanically stir for 20 minutes to obtain an ethanol solution of 8-hydroxyquinoline;

[0026] S2: Put corresponding parts by weight of acetic acid, oxalic acid, isopropanol, and deionized water in a stirrer and mechanically stir for 20 minutes, add the ethanol solution of 8-hydroxyquinoline prepared above, and add imidazoline corrosion inhibitor, continue Stir for 30 minutes to obtain the finished product solution;

[0027] S3: Bottling and packaging the finished solution to o...

Embodiment 3

[0029] A boiler descaling agent proposed by the present invention comprises the following components in parts by weight: 35 parts of oxalic acid, 20 parts of ethanol, 5 parts of butanol, 5 parts of isopropanol, 10 parts of 8-hydroxyquinoline, imidazoline slow 2 parts of etching agent, 23 parts of deionized water.

[0030] Its preparation process includes the following steps;

[0031] S1: Add corresponding weight parts of ethanol to the reaction device to neutralize 8-hydroxyquinoline, and mechanically stir for 20 minutes to obtain an ethanol solution of 8-hydroxyquinoline;

[0032] S2: Put corresponding parts by weight of oxalic acid, butanol, isopropanol, and deionized water in a stirrer and mechanically stir for 10 minutes, add the ethanol solution of 8-hydroxyquinoline prepared above, and add imidazoline corrosion inhibitors, Continue to stir for 20 minutes to obtain the finished solution;

[0033] S3: Bottling and packaging the finished solution to obtain the boiler desc...

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PUM

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Abstract

The invention discloses a boiler descaling agent and a preparation process thereof. The boiler descaling agent is prepared from, by weight, 30-40 parts of organic acid, 15-20 parts of ethanol, 5-10 parts of an organic solvent, 8-12 parts of 8-hydroxyquinoline, 2-6 parts of a corrosion inhibitor and 12-40 parts of deionized water. The preparation process comprises the steps that S1, 8-hydroxyquinoline is dissolved in an ethanol solution to obtain the ethanol solution of 8-hydroxyquinoline; S2, the organic acid, the organic solvent, the deionized water and the ethanol solution of 8-hydroxyquinoline are mixed, the corrosion inhibitor is added, and then a finished product solution is obtained; S3, the finished product solution is bottled and packaged to obtain the boiler descaling agent. The boiler descaling agent is high in descaling speed, good in descaling effect, convenient to use, wide in application range and capable of effectively removing scale, oil dirt and rust scale, protecting equipment after descaling and prolonging the service life of the equipment, the preparation process is simple, raw materials are easy to obtain, and cost is low.

Description

technical field [0001] The invention relates to the technical field of chemical production, in particular to a boiler descaling agent and a preparation process thereof. Background technique [0002] The boiler will inevitably produce scale after long-term use, and the formation of these scales will seriously affect the heat transfer of the boiler and reduce the working efficiency of the boiler. Scale is divided into hard scale and soft scale according to the cause and form of formation. The main components of hard scale are carbonates, sulfates, silicates and phosphates, etc.; the main components of soft scale are iron scale, copper scale, etc. [0003] The existing descaling methods mainly include magnetization descaling, electrostatic descaling, frequency conversion resonance descaling, acoustic descaling and chemical descaling. The equipment required for the first four descaling methods is expensive and difficult to implement, which increases the cost of use. Therefore,...

Claims

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Application Information

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IPC IPC(8): C11D7/26C11D7/32C11D7/50C11D7/60
CPCC11D7/265C11D7/261C11D7/3281C11D7/5022
Inventor 潘燕灵丁子君高文权陈小梅
Owner ZHENJIANG WEIFU BOILER CO LTD
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