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Noncorrosive detergent of heat distribution system

A heat supply system and cleaning agent technology, applied in the direction of detergent composition, non-surface active detergent composition, inorganic non-surface active detergent composition, etc., can solve the waste of manpower, material resources and resources, damage to the inner wall of the boiler, and environmental pollution and other issues to achieve the effect of saving energy, avoiding corrosion, and improving service life

Inactive Publication Date: 2010-09-29
于金田
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the boiler cleaning of water medium, the cleaning agent formula mixed with hydrochloric acid and corrosion inhibitor is generally used, and the purpose of cleaning is achieved through the reaction of hydrochloric acid with impurities such as scale in the boiler. , it is impossible to avoid the corrosion of the cleaning agent on the boiler, which often causes corrosion on the inner wall of the boiler, damages the inner wall of the boiler, and forms a hidden danger of accidents. Moreover, it is sometimes necessary to add hydrofluoric acid or fluoride during cleaning, which will cause great pollution to the environment. At the same time, in the heating pipeline, impurities such as scale will be formed after long-term use, but because the existing cleaning agent has a corrosive effect, and the wall thickness of the heating and heating pipeline is generally thin, it cannot be cleaned by pickling The pipeline can only be replaced by replacing the pipeline, resulting in a waste of manpower, material resources and resources

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] Example 1, a non-corrosion heating system cleaning agent, which is made by mixing hydrochloric acid, corrosion inhibitor, pull-off powder, sodium pyrophosphate, ethanol and liquid ammonia, and the corrosion inhibitor in this example is 02 corrosion inhibitor , the raw materials in the present invention can be prepared in any proportion, but the cleaning time and effect are slightly different in different proportions.

Embodiment 2

[0009] Embodiment 2, a non-corrosion heating system cleaning agent, is made by mixing 15kg of hydrochloric acid, 15kg of corrosion inhibitor, 10kg of pull-off powder, 15kg of sodium pyrophosphate, 30kg of ethanol and 15kg of liquid ammonia. The agent is thiourea.

Embodiment 3

[0010] Embodiment 3, a non-corrosion heating system cleaning agent is made by mixing 23kg of hydrochloric acid, 15kg of corrosion inhibitor, 10kg of pull-off powder, 15kg of sodium pyrophosphate, 22kg of ethanol and 15kg of liquid ammonia. In this embodiment, the corrosion inhibitor The agent is sodium nitrite.

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PUM

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Abstract

The invention discloses an abluent of non-corrosive heat supply system, which is blended by alcaine, inhibitor, zipper powder, sodium pyrophosphate, alcohol and liquid ammonia. The invention has rapid cleaning speed and convenient usage without eroding and polluting, which expands the using scale and saves cost.

Description

technical field [0001] The invention belongs to the technical field of chemical cleaning agents, in particular to a non-corrosive cleaning agent suitable for heating systems. Background technique [0002] At present, in the boiler cleaning of water medium, the cleaning agent formula mixed with hydrochloric acid and corrosion inhibitor is generally used, and the purpose of cleaning is achieved through the reaction of hydrochloric acid with impurities such as scale in the boiler. , it is impossible to avoid the corrosion of the cleaning agent on the boiler, which often causes corrosion on the inner wall of the boiler, damages the inner wall of the boiler, and forms a hidden danger of accidents. Moreover, it is sometimes necessary to add hydrofluoric acid or fluoride during cleaning, which will cause great pollution to the environment. At the same time, in the heating pipeline, impurities such as scale will be formed after long-term use, but because the existing cleaning agent ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11D7/16C11D7/60F28G9/00C11D7/32
Inventor 于金田刘洪洋于广顺于春君
Owner 于金田
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