Corrosion inhibiting and descaling agent of industrial cooling circulating water system

A cooling water system, corrosion and scale inhibitor technology, applied in the chemical industry, can solve problems such as difficult replacement, achieve low cost, high operating efficiency, and easy to use

Inactive Publication Date: 2006-04-05
SHANGHAI WANSEN WATER TREATMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because industrial systems are usually relatively large and difficult to replace, it is necessary to find non-corrosive cleaning, corrosion and scale inhibitors, so that they will not cause chemical damage to the system whi

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment 1 The usage method of the corrosion and scale inhibitor of the present invention

[0016] When needed, add the corrosion and scale inhibitor prepared by the present invention into water, and add it into the system that has been rinsed beforehand with an automatic dosing device. For the first dosing, add 150ppm of the total water, and then add 100ppm of the supplemented water, and regularly discharge the sewage.

[0017] After a period of use, it is found that the corrosion and scale inhibitor of the formula of the present invention has an obvious protective effect on the cooling water system, and always forms a dense film on the metal surface, which effectively prolongs the service life of the equipment and improves the equipment efficiency.

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PUM

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Abstract

The present pertains to the field of chemical industry, wherein an antisludging agent for industrial circulating water systems is disclosed, which comprises acroleic acid-acrylate-petroleum sulfonate copolymer, mercaptobenzothiazole, sodium humate, lignin and water. The antisludging agent has good protection action to industrial cooling-water systems.

Description

technical field [0001] The invention belongs to the field of chemical industry, and relates to a corrosion and scale inhibitor, more specifically, the invention relates to a corrosion and scale inhibitor for industrial cooling water systems. Background technique [0002] The cooling water system used in industry will inevitably produce scale and rust during long-term circulation, which will reduce the thermal efficiency by an order of magnitude. The water evaporates in the cooling tower, so that the salt content in the circulating water gradually increases, and the carbon dioxide in the water decomposes and escapes in the tower, which increases the tendency of calcium carbonate in the water to scale and precipitate on the heat transfer surface. After the scale and rust are generated, not only a lot of energy is wasted, but also the service life of the entire system is greatly reduced due to the rusting of pipelines and equipment, causing many unnecessary losses. Moreover, t...

Claims

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Application Information

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IPC IPC(8): C02F5/08
Inventor 沈志昌
Owner SHANGHAI WANSEN WATER TREATMENT CO LTD
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