High-efficiency corrosion-mitigation scale-inhibition water saving agent for boiler

A high-efficiency technology of corrosion and scale inhibition, applied in the fields of descaling and water softening, water/sludge/sewage treatment, chemical instruments and methods, etc. Small property, efficient corrosion and scale inhibition effect

Inactive Publication Date: 2010-02-03
张振海
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Problems solved by technology

[0003] Aiming at the phenomenon that the existing boiler corrosion and scale inhibitors have a large corrosion effect on boiler appliances and poor use effects, the p

Method used

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Embodiment Construction

[0007] Among them, hydroxyethylene diphosphoric acid is a high-efficiency corrosion and scale inhibitor and water-saving agent for molecular boilers. Its ingredients are formulated in percentages by weight: hydroxyethylene diphosphoric acid 15-20%, sodium hydroxide 3-4 %, urotropine 25-35%, benzotriazole 10-25%, sodium silicate 20-30%.

[0008] Part of the functional groups in the metal salts are adsorbed by electrostatic force on the active points on the surface of the crystal (crystal nucleus) that is being formed by the scale-causing metal salts, and the growth of the crystal is inhibited, so that many crystals formed remain in the microcrystalline state, which is equivalent to increasing the rate of contamination. At the same time, due to the adsorption of scale inhibitor molecules on the crystal surface, even if the crystal grows, it can only grow abnormally, which causes the crystal to be distorted. The adhesion between the distorted crystal and the metal surface is weak...

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Abstract

The invention relates to a high-efficiency corrosion-mitigation scale-inhibition water saving agent used for a boiler, which contains the following components in percentages by weight: 15-20 percent of hydroxyl ethylidene diphosphate, 3-4 percent of sodium hydroxide, 25-35 percent of urotropin, 10-25 percent of benzotriazole and 20-30 percent of sodium silicate. The invention has the advantages ofefficient high-efficiency corrosion-mitigation scale-inhibition effect, water-saving function and minimal corrosion to boiler appliances.

Description

technical field [0001] The invention relates to a boiler water treatment agent, in particular to a high-efficiency corrosion-inhibiting, scale-inhibiting and water-saving agent for boilers. Background technique [0002] At present, the chemical cleaning and scale inhibition of general boiler systems are mainly carried out with certain acids or acid salts and alkalis. Among acids, hydrochloric acid is the most used for cleaning, which can effectively clean away the hard scale and some corrosion products formed in boiler equipment; alkaline cleaning uses strong alkaline or alkaline chemicals as cleaning agents to remove deposits in metal equipment A type of cleaning agent. However, no matter it is acid cleaning or alkali cleaning, the cleaning agent reacts with the object to be cleaned, and also causes certain corrosion to the boiler equipment. Natural antiscalant is a kind of non-acid-base water treatment antiscalant that was used earlier. It is generally made of natural pr...

Claims

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Application Information

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IPC IPC(8): C02F5/14
Inventor 张振海
Owner 张振海
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