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Spray paint circulating water treatment agent, preparation method and application method thereof

A treatment agent and circulating water technology, applied in water/sewage treatment, water/sludge/sewage treatment, flocculation/sedimentation water/sewage treatment, etc., can solve the problem of difficult separation of paint slag and circulating water, and achieve the effect of floating Good, lower COD, strong breaking ability

Active Publication Date: 2019-05-24
HUNAN JINYU ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this technology still has certain shortcomings, that is, when spraying paint with water-based baking paint in the air pressure-water washing spray booth, the paint residue is easy to precipitate in the circulating water, making it difficult to separate the paint residue from the circulating water. The water is lighted, and then the pool bottom paint residue is precipitated and cleaned

Method used

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  • Spray paint circulating water treatment agent, preparation method and application method thereof
  • Spray paint circulating water treatment agent, preparation method and application method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The spray paint circulating water treatment agent is composed of three independent components: agent A, agent B and agent C;

[0030] Among them, agent A is composed of compound X and water in a weight ratio of 1:5, agent B is composed of cationic polyacrylamide with a weight average molecular weight of 19 million and water in a weight ratio of 1:100, agent C is composed of compound Y, Composition Z is mixed at a weight ratio of 1:1;

[0031] The production process of compound X is: add 300g of polyacrylic acid to a 500ml beaker, heat it in a water bath to 90°C, slowly add 30.8g of ammonia water into it, stir while adding, make it fully react, react for 10 minutes and then cool to 20°C After aging for 1 hour, compound X is obtained;

[0032] The production process of compound Y is as follows: add 200g of polyaluminum chloride to the ultrafine pulverizer, add 16g of disodium ethylenediaminetetraacetate into it, start the pulverizer for 3 minutes, and pulverize to 200-30...

Embodiment 2

[0035] The spray paint circulating water treatment agent is composed of three independent components: agent A, agent B and agent C;

[0036] Among them, agent A is composed of compound X and water in a weight ratio of 1:5, agent B is composed of cationic polyacrylamide with a weight average molecular weight of 20 million and water in a weight ratio of 1:100, and agent C is composed of compound Y, Composition Z is mixed at a weight ratio of 1:1;

[0037] The production process of compound X is: add 320g of polyacrylic acid into a 500ml beaker, heat it in a water bath to 90-100°C, slowly add 31g of ammonia water into it, stir while adding, make it fully react, react for 15 minutes and then cool to 25 ℃ aging for 1.5 hours to obtain the compound X;

[0038] The production process of compound Y is as follows: add 220g of polyaluminum chloride to the ultrafine pulverizer, add 17g of disodium ethylenediamine tetraacetate into it, start the pulverizer for 3 minutes, and pulverize to...

Embodiment 3

[0041] The spray paint circulating water treatment agent is composed of three independent components: agent A, agent B and agent C;

[0042] Among them, agent A is composed of compound X and water in a weight ratio of 1:5, agent B is composed of nonionic polyacrylamide with a weight average molecular weight of 20 million and water in a weight ratio of 1:100, and agent C is composed of compound Y , Composition Z is mixed at a weight ratio of 1:1;

[0043] The production process of compound X is as follows: add 330g of polyacrylic acid to a 500ml beaker, heat it in a water bath to 95°C, slowly add 32g of ammonia water into it, stir while adding, make it fully react, and cool to 25°C after reacting for 15 minutes. After 1.5 hours, compound X was obtained;

[0044] The production process of compound Y is as follows: add 240g of polyaluminum chloride to the ultrafine pulverizer, add 17g of disodium ethylenediamine tetraacetate into it, start the pulverizer for 3 minutes, and pulve...

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Abstract

The invention provides a paint spraying circulating water treatment agent, a preparation method and a use method. The paint spraying circulating water treatment agent is prepared from an agent A, an agent B and an agent C, wherein the agent A is prepared from polyacrylic acid and ammonia water through a reaction; the agent B is prepared from amide polymers and water in a weight ratio being 1:(100-120), and molecular weight of the amide polymers is 18,000,000-30,000,000; the agent C is prepared from a compound Y and a compound Z through mixing, and a weight ratio of the compound Y to the compound Z is 1:1; the compound Y is prepared from polymeric aluminium and disodium ethylenediamine tetraacetate; the compound Z is prepared from sodium citrate and sodium pyrophosphate. The agent A, the agent B and the agent C can be prepared respectively and packaged independently, and the agent A is firstly added and uniformly stirred during using; then the agent B is added, and a mixture is stirred uniformly; finally, the agent C is added, the mixture is stirred uniformly, and a weight ratio of the agent A, the agent B and the agent C is 5:5:1. The paint spraying circulating water treatment agent is high in decaking capacity and paint is completely tack-free.

Description

technical field [0001] The invention relates to the technical field of spray paint circulating water treatment, in particular to a spray paint circulating water treatment agent and a preparation method thereof. Background technique [0002] When spraying paint in the spray booth, in order to prevent the oversprayed (not applied to the workpiece) paint from scattering, most of the oversprayed paint mist is treated by water curtain or water spin, so that the oversprayed paint floats in the circulating water. But this alone will cause pipeline blockage and overload operation of the circulating pump, which will directly lead to reduced work efficiency or even shutdown. In addition, the cleaning operation of the circulating pool is also extremely difficult and labor-intensive, which brings a lot of inconvenience to continuous production. Therefore, the method of adding chemicals to the painting circulating water is usually used, so that the overspray paint in the circulating wat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/56C02F1/52C02F1/62C02F1/40
CPCC02F1/40C02F1/5236C02F1/56C02F1/62C02F2101/20C02F2103/14
Inventor 桂成方桂林刘春花
Owner HUNAN JINYU ENVIRONMENTAL PROTECTION TECH CO LTD
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