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Sterilizing agent for circulating water system of oil refinery and application method of sterilizing agent

A circulating water system and bactericide technology, applied in the direction of bactericide, biocide, biocide, etc., can solve the problems of long cycle and difficult treatment, and achieve the effect of long drug effect time, high sterilization efficiency and fast speed

Inactive Publication Date: 2016-03-23
WEIHAI XIANGYU TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, the processing is difficult and the cycle is long

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Refinery circulating water system fungicide, raw materials are selected according to mass percentage, its composition is: Kasone (5-chloro-2-methyl-4-isothiazoline-3-ketone and 2-methyl-4-isothiazoline-3 -ketone): 3, quaternary ammonium salt: 2, glutaraldehyde: 4, organobromine (bropol): 9, organotin (tributyltin carboxylate and cyclohexylphenyl (trimethylsilyl methylene base) tin aromatic ester): 14, pure water: 300.

[0020] Reverse osmosis product water, Cathone (5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one), quaternary ammonium salt, glutaraldehyde, organic Add bromine (Bropol), organic tin (tributyltin carboxylate and cyclohexylphenyl (trimethylsilylmethylene) tin aromatic ester) into the container in sequence, and stir at room temperature for 20 minutes- 40 minutes to get the product.

Embodiment 2

[0022] Refinery circulating water system fungicide, raw materials are selected according to mass percentage, its composition is: Kasone (5-chloro-2-methyl-4-isothiazoline-3-ketone and 2-methyl-4-isothiazoline-3 -ketone): 5, quaternary ammonium salt: 3, glutaraldehyde: 5, organobromine (bropol): 6, organotin (tributyltin carboxylate and cyclohexylphenyl (trimethylsilyl methylene base) tin aromatic ester): 12, pure water: 300.

[0023] Reverse osmosis product water, Cathone (5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one), quaternary ammonium salt, glutaraldehyde, organic Add bromine (Bropol), organic tin (tributyltin carboxylate and cyclohexylphenyl (trimethylsilylmethylene) tin aromatic ester) into the container in sequence, and stir at room temperature for 20 minutes- 40 minutes to get the product.

Embodiment 3

[0025] Refinery circulating water system fungicide, raw materials are selected according to mass percentage, its composition is: Kasone (5-chloro-2-methyl-4-isothiazoline-3-ketone and 2-methyl-4-isothiazoline-3 -ketone): 2, quaternary ammonium salt: 1, glutaraldehyde: 3, organic bromide (bropol): 10, organotin (tributyltin carboxylate and cyclohexylphenyl (trimethylsilyl methylene base) tin aromatic ester): 15, pure water: 300.

[0026] Reverse osmosis product water, Cathone (5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one), quaternary ammonium salt, glutaraldehyde, organic Add bromine (Bropol), organic tin (tributyltin carboxylate and cyclohexylphenyl (trimethylsilylmethylene) tin aromatic ester) into the container in sequence, and stir at room temperature for 20 minutes- 40 minutes to get the product.

[0027] The present invention adopts above-mentioned bactericide to be used for refinery circulating water system bacteria and algae slime control...

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Abstract

The invention provides a sterilizing agent for a circulating water system of an oil refinery and an application method of the sterilizing agent. The sterilizing agent is prepared from kathon, hyamine, glutaraldehyde, organic bromine, organic tin and pure water, wherein the mass ratio of the kathon to the hyamine to the glutaraldehyde to the organic bromine to the organic tin and to the pure water is (2-6): (1-3): (1-5): (5-10): (10-15): (100-400). According to the sterilizing agent for the circulating water system of the oil refinery and the application method of the sterilizing agent, the five types of sterilizing agents are compounded according to the certain mass ratio, and the sterilizing agent can be obtained. The five types of sterilizing agents are compounded for use according to the certain mass ratio, growth of biological fouling deposited on equipment and pipeline inner walls of the circulating cooling water system of the oil refinery is effectively controlled, the sterilization function is achieved, the sterilizing agent is a broad spectrum sterilizing agent and has the advantages of being low in toxicity, free of corrosiveness and free of pathogenicity, and the problem of secondary pollution caused by a traditional chemical agent does not exist.

Description

technical field [0001] The invention relates to an agent for treating circulating cooling water in an oil refinery, in particular to a low-toxic fungicide that can effectively control the slime of bacteria and algae in the circulating cooling water system of an oil refinery. Background technique [0002] The harm of microorganisms in the circulating cooling water system of refineries has always been the main factor affecting the safe operation of equipment. Many refineries have not invested too much energy in the control of bacteria and algae slime in the circulating water system. As a result, the system produces a large amount of slime, which directly affects Normal production and safe long-term operation of equipment. On the one hand, a large amount of slime generated in the system affects the good heat exchange of the production device; on the other hand, it is easy to cause corrosion under the slime, which in serious cases leads to large-scale leakage of the production d...

Claims

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Application Information

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IPC IPC(8): A01N55/04A01N43/80A01N35/02A01N33/20A01N33/02A01P1/00A01P3/00A01P13/00C02F1/50C02F103/36
CPCA01N55/04A01N33/02A01N33/20A01N35/02A01N43/80C02F1/50C02F2103/36
Inventor 陈维忠李洪社喻果
Owner WEIHAI XIANGYU TECH
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