Coating circulating water purifying agent as well as preparation method and use method thereof

A technology of circulating water and purifying agent, which is applied in the fields of chemical instruments and methods, water/sewage treatment, water/sludge/sewage treatment, etc. It can solve the problem of incomplete debonding effect of paint detackifier and poor flocculation effect of paint floating agent Good, difficult to completely remove the color of sewage, etc., to achieve good paint debonding effect, complete removal of water quality and color, and inhibit the effect of circulating water odor

Inactive Publication Date: 2017-10-10
杭州益泰环境科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The separation of paint and water in circulating water requires the use of a circulating water purifier. However, in the prior art, the debonding effect of paint detackifier is not complete, the flocculation effect of paint floating agent is not good, the removal rate of paint slag is low, and the moisture content of paint slag is low. high, the color of sewage is difficult to completely remove, and the circulating water has a large odor, so improving the purification ability of circulating water purifiers is an urgent problem to be solved at present

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Preparation of Agent A: Add 1.5 parts of sodium bentonite and 0.2 parts of chitosan to 10 parts of water for high-speed dispersion, heat the water temperature to 60°C and react for 15 minutes to obtain a viscous paste, add 82.8 parts of water, and use sodium silicate to dissolve Adjust the pH value to 8.0, stir and react evenly at a constant temperature of 60°C for 4 hours, then add 0.5 parts of surfactant, 2 parts of dispersant, 1.5 parts of penetrant, 1 part of preservative, and 0.5 part of defoamer in sequence until the water temperature is cooled to room temperature, and stir Agent A can be prepared evenly.

[0019] Preparation of Agent B: Add 0.2 parts of cationic polyacrylamide into 98 parts of water, and stir evenly for 2 hours until completely dissolved. Then add 0.1 part of citric acid aqueous solution, 1 part of aluminum sulfate aqueous solution, and 0.7 part of ammonium bicarbonate aqueous solution in sequence, and stir evenly for 1 hour to prepare agent B. ...

Embodiment 2

[0023] Preparation of Agent A: Add 2.5 parts of sodium bentonite and 0.5 parts of chitosan to 10 parts of water for high-speed dispersion, heat the water temperature to 60°C and react for 15 minutes to obtain a viscous paste, add 77.5 parts of water, and use sodium silicate to dissolve Adjust the pH value to 8.0, stir and react evenly at a constant temperature of 60°C for 4 hours, then add 1 part of surfactant, 3 parts of dispersant, 2.5 parts of penetrant, 2 parts of preservative, and 1 part of defoamer in sequence until the water temperature is cooled to room temperature, and stir Agent A can be prepared evenly.

[0024] Preparation of Agent B: Add 0.4 parts of cationic polyacrylamide into 96.4 parts of water, and stir evenly for 2 hours until completely dissolved. Then add 0.2 parts of citric acid aqueous solution, 2 parts of aluminum sulfate aqueous solution, and 1 part of ammonium bicarbonate aqueous solution in sequence, and stir evenly for 1 hour to prepare agent B.

...

Embodiment 3

[0028] Preparation of Agent A: Add 1.8 parts of sodium bentonite and 0.5 parts of chitosan to 10 parts of water for high-speed dispersion, heat the water temperature to 60°C and react for 15 minutes to obtain a viscous paste, add 79.5 parts of water, and use sodium silicate to dissolve Adjust the pH value to 8.0, stir and react evenly at a constant temperature of 60°C for 4 hours, and add 0.7 parts of surfactant, 3 parts of dispersant, 2 parts of penetrant, 1.5 parts of preservative, and 1 part of defoamer in sequence until the water temperature is cooled to room temperature, and stir Agent A can be prepared evenly.

[0029] Preparation of Agent B: Add 0.3 parts of cationic polyacrylamide into 97.2 parts of water, and stir evenly for 2 hours until completely dissolved. Then add 0.2 parts of citric acid aqueous solution, 1.5 parts of aluminum sulfate aqueous solution, and 0.8 parts of ammonium bicarbonate aqueous solution in sequence, and stir evenly for 1 hour to prepare agent...

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PUM

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Abstract

The invention discloses a coating circulating water purifying agent. The purifier comprises an agent A and an agent B, wherein the agent A is prepared from components in parts by weight as follows: 1.5-2.5 parts of sodium bentonite, 0.2-0.5 parts of chitosan, 0.5-1 part of a surfactant, 1.5-2.5 parts of a penetrating agent, 2-3 parts of a dispersant, 1-2 parts of a preservative, 0.5-1 part of an antifoaming agent and 87.5-92.8 parts of water; the agent B is prepared from components in parts by weight as follows: 0.2-0.4 parts of cationic polyacrylamide, 0.1-0.2 parts of a citric acid aqueous solution, 1-2 parts of an aluminum sulfate aqueous solution, 0.7-1 part of an ammonium bicarbonate aqueous solution and 96.4-98 parts of water. The coating circulating water purifying agent has the advantages of being good in paint debonding effect, good in flocculation effect, high in paint slag removal rate, low in paint slag moisture content, capable of completely removing foreign colors of water and inhibiting foreign odors of circulating water and the like.

Description

technical field [0001] The invention belongs to the technical field of industrial coating circulating water treatment, and in particular relates to a coating circulating water purifier, a preparation method and a use method thereof. Background technique [0002] In industries such as automobiles, hardware, machinery, home appliances, kitchen utensils, aluminum veneer profiles, furniture, and daily necessities, there are painting processes. During the painting process, the paint is not all sprayed on the workpiece, and the part of the paint that is not sprayed on the workpiece is called overspray. The oversprayed paint is taken away by the air. In order to prevent the paint mist from being discharged into the atmosphere and pollute the environment, circulating water is generally used in the spray booth to capture the oversprayed paint mist in the air. With the accumulation of sprayed paint, the concentration of paint in the circulating water will increase. The higher it is, ...

Claims

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Application Information

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IPC IPC(8): C02F1/52C02F1/54C02F1/56C02F103/18
CPCC02F1/5236C02F1/5263C02F1/54C02F1/547C02F1/56C02F2103/18
Inventor 田立民
Owner 杭州益泰环境科技有限公司
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