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A kind of durable hydrophilic water curtain electrode and its preparation method and application

A hydrophilic and water curtain technology, applied in chemical instruments and methods, other chemical processes, climate sustainability, etc., can solve the problems of poor hydrophilic durability of the hydrophilic layer, and achieve excellent hydrophilic durability, hydrophilic Effect of Water Persistence Improvement

Active Publication Date: 2022-05-17
ECO BAO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In order to improve the problem of poor hydrophilic durability of the hydrophilic layer, the application provides a water curtain electrode with better hydrophilic durability and its preparation method and application

Method used

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  • A kind of durable hydrophilic water curtain electrode and its preparation method and application
  • A kind of durable hydrophilic water curtain electrode and its preparation method and application
  • A kind of durable hydrophilic water curtain electrode and its preparation method and application

Examples

Experimental program
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Effect test

preparation example Construction

[0047] Preparation Example of Hydrophilic Silica Solution

[0048] In the hydrophilic silica solution preparation example 1-5, the preparation method comprises the following steps:

[0049] S1-1. Mix orthosilicic acid, polyethylene glycol I, absolute ethanol and water, and stir at a temperature of 30-40°C for 15-25 minutes to obtain a mixed solution A;

[0050] Mix water, absolute ethanol and hydrochloric acid to obtain mixed solution B;

[0051] Wherein, when preparing the mixed solution A, the mass ratio of orthosilicic acid, polyethylene glycol I, absolute ethanol and water may be 5:(0.7~1.2):(15~18):(1.3~2.5). Polyethylene glycol I can be obtained by mixing polyethylene glycol 400 and polyethylene glycol 600; the mass ratio of polyethylene glycol 400 and polyethylene glycol 600 is different, and the average degree of polymerization of polyethylene glycol I obtained is Different; the mass ratio of polyethylene glycol 400 and polyethylene glycol 600 can be 1: (0.4~4).

[...

preparation example 1

[0055] Hydrophilic silica solution is prepared by the following steps:

[0056] S1-1. Mix 50 g of orthosilicic acid, 10 g of polyethylene glycol I (5 g of polyethylene glycol 400, 5 g of polyethylene glycol 600), 740 g of absolute ethanol and 100 g of water at a temperature of 35°C Mixed solution A was obtained after stirring for 20 min;

[0057] Mix 10 g of pure water, 90 g of absolute ethanol and 0.2 g of hydrochloric acid to obtain mixed liquid B;

[0058] S1-2. Add all the mixed solution B obtained above to the mixed solution A within 1 h, and stir for 1 h after the dropping.

preparation example 2

[0060] The difference between this hydrophilic silica solution preparation example and hydrophilic silica solution preparation example 1 is that the mass ratio of orthosilicic acid and polyethylene glycol I is 5:0.7; specifically: 50 g of orthosilicic acid and Mix 3.5 g polyethylene glycol 400 and 3.5 g polyethylene glycol 600. Others are the same as the preparation example 1 of the hydrophilic silica solution.

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Abstract

The application relates to the technical field of water curtain electrodes, and specifically discloses a durable hydrophilic water curtain electrode, its preparation method and application. The water curtain electrode includes a conductive layer, an insulating layer coated on the conductive layer, and a hydrophilic layer coated on the insulating layer; the hydrophilic layer is formed by coating the insulating layer with a nano-hydrophilic material, and the nano-hydrophilic material includes the following Raw materials in parts by weight: 7-15 parts of hydrophilic silica solution, 10-17 parts of hydrophilic titanium dioxide solution; the hydrophilic silica solution contains polyethylene glycol-coated nano Silica particles, the hydrophilic titanium dioxide solution contains nano titanium dioxide particles coated with polyethylene glycol with an average polymerization degree of 600-1000. The water curtain electrode of the present application can be used in electrostatic precipitating equipment, which has excellent hydrophilicity and hydrophilic persistence.

Description

technical field [0001] This application relates to the technical field of water curtain electrodes, more specifically, it relates to a durable hydrophilic water curtain electrode and its preparation method and application. Background technique [0002] The water curtain electrode is an electrode used in electrostatic precipitating equipment. In the electrostatic precipitator, its working principle is to use a high-voltage electric field to ionize the flue gas, and the dust charge in the airflow is separated from the airflow under the action of the electric field. The negative electrode is made of metal wires with different cross-sectional shapes, which are called discharge electrodes. The positive electrode is made of metal plates of different geometric shapes, called the dust collecting electrode. [0003] The dust removal process is: the dust-laden gas is electrically separated when it passes through a high-voltage electrostatic field, and the dust particles are combined...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K3/22C09D1/00C09D7/61C09D7/62C09D7/65C23C26/00
CPCY02A50/2351
Inventor 咸才军王建平
Owner ECO BAO
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