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Tracing water quality stabilizer

A technology of water treatment agent and corrosion inhibitor, which is applied in the field of high-efficiency tracer water treatment agent, can solve the problems such as no composite water treatment agent report, and achieve excellent inhibitory effect

Inactive Publication Date: 2004-06-23
SICHUAN NEW ENERGY POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Polyaspartic acid (PASP) developed by U.S. Donlar Company; Polyaminopolyether-based methylene phosphonic acid (PAPEMP) developed by Cagon Company ("Industrial Water and Wastewater" 2000, 31 (6) in "Circulating Cooling Water Treatment Progress of New Chemical Agents") Water treatment agent monomer; N73201 and N73204 compound agents containing tracer polymers developed by Nalco in the United States; TSD and T-0149 tracer polymer monomers developed by China Tianjin Chemical Industry Design and Research Institute Body, with high efficiency or traceable characteristics, but no report of the same composite water treatment agent as the present invention

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Produce 100g of water treatment agent

[0027] Add 10g of acrylic acid-acrylate-phosphoric acid-sulfonic acid tetrapolymer, 10g of acrylic acid-acrylate-phosphonic acid-azole copolymer, 40g of polyaspartic acid, 25g of polyamino polyether group methylene phosphine into the reaction flask Acid, 10g phosphine carboxylic acid, 5g hydroxyethylidene diphosphonic acid, after stirring at a certain temperature for a certain period of time, 100g of the water treatment agent was obtained.

Embodiment 2

[0029] Produce 100g of water treatment agent

[0030] Add 5g of solid zinc chloride and 5g of hydrochloric acid into 10g of water, stir to dissolve, then add 5g of phosphine carboxylic acid, 3g of hydroxyethylidene diphosphonic acid, 10g of acrylic acid-acrylate-phosphoric acid-sulfonic acid tetrapolymer, 10g of acrylic acid-acrylic acid Ester-phosphonic acid-azole copolymer, 37g polyaspartic acid, 15g polyamino polyether group methylene phosphonic acid. After stirring evenly in the reaction flask, 100 g of the water treatment agent was obtained.

Embodiment 3

[0032] Produce 1000kg water treatment agent

[0033] Add 60kg ethanol and 10kg dimethylformamide to 60kg water, mix well, add 10kg methyl benzotriazole, stir well, then add 100kg acrylic acid-acrylate-phosphoric acid-sulfonic acid tetrapolymer, 100kg acrylic acid-acrylic acid Ester-phosphonic acid-azole copolymer, 450kg polyaspartic acid, 150kg polyamino polyether group methylene phosphonic acid, 40kg phosphine carboxylic acid, 20kg hydroxy ethylidene diphosphonic acid. After stirring in the reactor for a certain period of time, 1000 kg of water treatment agent was obtained.

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Abstract

The tracing water quality stabilizer consists of scale retardant, corrosion inhibitor, tracing polymer, assistant, etc. and has the features of high efficiency, low toxicity and tracing. The tracing water quality stabilizer is used as water processing agent in water system to inhibit corrosion, retard scale and disperse, and may be used in the conditions of high water hardness, high pH value and high concentration multiple. It may be combined with relevant detecting and controlling instrument to realize the automatic detection and control of chemical concentration and automatic throwing of chemical. The tracing polymer as one of the corrosion retarding and scale inhibiting components can indicate the effective concentration of the composite chemical accurately.

Description

1. Technical field [0001] The invention is a high-efficiency tracer water treatment agent used in water systems for scale inhibition, dispersion and corrosion inhibition, especially the water treatment agent for circulating cooling water systems under the conditions of high concentration multiple, high hardness and high pH value . 2. Technical background [0002] The cooling water system includes heat exchangers, cooling towers, pumps and cooling water lines. During the operation of the cooling water system, the metal surfaces of the heat exchangers, pipelines, pumps, etc. that are in contact with the cooling water will have problems such as corrosion, scaling, and sludge clogging, which will affect the heat exchange efficiency of the heat exchanger and the service life of the equipment. Wait. [0003] Dirt in the cooling water system can vary from system to system. The dirt in the cooling water system generally includes calcium and magnesium carbonate, phosphate, silicat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F5/00C02F5/10C02F5/14
CPCC23F11/08C23F11/10C23F11/173
Inventor 刘政袁秋礼何玉涛李莉钟伟
Owner SICHUAN NEW ENERGY POWER CO LTD
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