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Durable hydrophilic water curtain electrode as well as preparation method and application thereof

A hydrophilic and water curtain technology, applied in the field of water curtain electrodes, can solve the problems of poor hydrophilic persistence of the hydrophilic layer, and achieve the effects of excellent hydrophilic persistence and improved hydrophilic persistence.

Active Publication Date: 2021-04-16
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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  • Durable hydrophilic water curtain electrode as well as preparation method and application thereof
  • Durable hydrophilic water curtain electrode as well as preparation method and application thereof
  • Durable hydrophilic water curtain electrode as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0043] Preparation Example of Hydrophilic Silica Solution

[0044] In the hydrophilic silica solution preparation example 1-5, the preparation method comprises the following steps:

[0045] 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;

[0046] Mix water, absolute ethanol and hydrochloric acid to obtain mixed solution B;

[0047] Wherein, when preparing the mixed liquid 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).

[004...

preparation example 1

[0051] Hydrophilic silica solution is prepared by the following steps:

[0052] S1-1. Mix 50g of orthosilicic acid, 10g of polyethylene glycol I (5g of polyethylene glycol 400, 5g of polyethylene glycol 600), 740g of absolute ethanol and 100g of water, and stir at 35°C for 20min to obtain Mixed solution A; mix 10g of pure water, 90g of absolute ethanol and 0.2g of hydrochloric acid to obtain mixed solution B;

[0053] S1-2. Add all the mixed solution B obtained above to the mixed solution A within 1 hour, and stir for 1 hour after the dropping.

preparation example 2

[0055] The difference between this hydrophilic silica solution preparation example and hydrophilic silica solution preparation example 1 is that the mass ratio of orthosilicic acid to polyethylene glycol I is 5:0.7; specifically: 50g orthosilicic acid and 3.5 g polyethylene glycol 400, 3.5 g polyethylene glycol 600 mixed. Others are the same as the preparation example 1 of the hydrophilic silica solution.

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Abstract

The invention relates to the technical field of water curtain electrodes, and particularly discloses a durable hydrophilic water curtain electrode and a preparation method and application thereof. The water curtain electrode comprises a conductive layer, an insulating layer coating the conductive layer and a hydrophilic layer coating the insulating layer; wherein the hydrophilic layer is formed by coating a nano hydrophilic material outside the insulating layer, and the nano hydrophilic material comprises the following raw materials in parts by weight: 7-15 parts of a hydrophilic silicon dioxide solution and 10-17 parts of a hydrophilic titanium dioxide solution; the hydrophilic silicon dioxide solution contains nano silicon dioxide particles coated with polyethylene glycol with the average polymerization degree of 400-600, and the hydrophilic titanium dioxide solution contains nano titanium dioxide particles coated with polyethylene glycol with the average polymerization degree of 600-1000. The water curtain electrode can be used for electrostatic dust collection equipment and has excellent hydrophilicity and hydrophilic durability.

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 Applications(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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