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Acid-resistant composite rotating wheel as well as preparation method and application thereof

A runner and acid removal wheel technology, applied in separation methods, chemical instruments and methods, dispersed particle separation, etc., can solve the problems of increasing equipment investment and operating costs, reducing the strength of the runner, reducing the adsorption capacity, etc., to reduce equipment. The effect of investment, reduction of equipment space, and improvement of regeneration efficiency

Pending Publication Date: 2022-04-12
QINGDAO HSJ ENVIRONMENTAL PROTECTION TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, hydrogen fluoride gas is highly corrosive to the dehumidification rotor, which reduces the strength of the rotor and reduces the adsorption capacity. At present, compared with the non-hydrogen fluoride workshop, the service life of the dehumidification rotor in the liquid injection workshop has dropped from 5 years to about 2 years, and it needs to be replaced frequently Runner or use thicker runners, resulting in increased equipment investment and operating costs

Method used

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  • Acid-resistant composite rotating wheel as well as preparation method and application thereof
  • Acid-resistant composite rotating wheel as well as preparation method and application thereof
  • Acid-resistant composite rotating wheel as well as preparation method and application thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0044] like figure 1 and figure 2 , an acid-resistant composite runner, comprising a housing, acid removal wheels and multifunctional wheels connected in series in front and back in the housing.

[0045] The acid removal wheel consists of a fiberglass carrier with a corrugated structure and modified alumina.

[0046] The multipurpose wheel consists of a fiberglass carrier with a corrugated structure and molecular sieves.

[0047] A preparation method of an acid-resistant composite runner, comprising the following steps:

[0048] S1: The glass fiber material is made into a corrugated shape, impregnated with silica sol, dried and roasted to obtain the carrier;

[0049] S2: Stir and age 1 mass part of pseudo-boehmite, 30 mass parts of activated alumina, 5 mass parts of nitric acid and 100 mass parts of water, load them on the carrier of step S1, dry and roast, and then impregnate the In the solution of 5 parts by mass of magnesium nitrate, dry and roast, make acid removal wh...

Embodiment 2

[0054] An acid-resistant composite runner includes a casing, acid removal wheels and multifunctional wheels connected in series in front and back in the casing.

[0055] The acid removal wheel consists of a ceramic fiber carrier with a corrugated structure and modified alumina.

[0056] The multifunctional wheel includes ceramic fiber carrier with corrugated structure and VOCs adsorption molecular sieve.

[0057] A preparation method of an acid-resistant composite runner, comprising the following steps:

[0058] S1: The ceramic fiber material is made into a corrugated shape, impregnated with aluminum sol, dried and roasted to obtain the carrier;

[0059] S2: Stir and age 10 parts by mass of pseudo-boehmite, 50 parts by mass of activated alumina, 10 parts by mass of hydrochloric acid and 200 parts by mass of water, load them on the carrier of step S1, dry and roast, and then impregnate the carrier containing In a solution of 1 mass part of zinc nitrate, dry and roast to obtai...

Embodiment 3

[0063] An acid-resistant composite runner includes a casing, acid removal wheels and multifunctional wheels connected in series in front and back in the casing.

[0064] The acid removal wheel consists of a ceramic fiber carrier with a corrugated structure and modified alumina.

[0065] The multipurpose wheel consists of a ceramic fiber carrier with a corrugated structure and silicone.

[0066] A preparation method of an acid-resistant composite runner, comprising the following steps:

[0067] S1: The ceramic fiber material is made into a corrugated shape, impregnated with an inorganic binder, dried and roasted to obtain a carrier;

[0068] S2: Stir and age 30 parts by mass of pseudoboehmite, 100 parts by mass of activated alumina, 1 part by mass of nitric acid and 50 parts by mass of water, load them on the carrier of step S1, dry and roast them, and then impregnate them into the carrier containing In a solution of 10 parts by mass of aluminum nitrate, dry and roast to obta...

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Abstract

The invention relates to the technical field of dehumidification rotating wheels, in particular to an acid-resistant composite rotating wheel and a preparation method and application thereof. The acid-resistant composite rotating wheel comprises a shell and a deacidification wheel and a multifunctional wheel which are located in the shell and connected in series front and back, the deacidification wheel can adsorb hydrogen fluoride gas generated by electrolyte decomposition in a lithium battery liquid injection workshop, and the dehumidification rotating wheel is prevented from being corroded by acid; the acid-resistant composite rotating wheel can also be used for treating acid-containing VOCs.

Description

technical field [0001] The invention relates to the technical field of dehumidification runners, in particular to an acid-resistant composite runner and its preparation method and application. Background technique [0002] The temperature of the drying room in the lithium battery injection workshop is usually kept at 20-25°C, and the dew point is below -40°C. It is necessary to maintain an absolutely dry environment because the electrolyte contains LiPF 6 , When encountering moisture, hydrogen fluoride gas will be generated, causing problems such as bulging, affecting the thickness, and incomplete SEI film formation, and hydrogen fluoride, as a strong corrosive gas, will also cause damage to the health of personnel. Therefore, it is necessary to use a low dew point dehumidification system to maintain a low dew point dry atmosphere in the liquid injection workshop. In order to ensure the dehumidification efficiency, the workshop return air is used to ensure the supply of fres...

Claims

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Application Information

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IPC IPC(8): B01D53/06B01D53/26
CPCY02A50/20
Inventor 王振青崔孟涛侯鸿杰梁鹏郅立鹏
Owner QINGDAO HSJ ENVIRONMENTAL PROTECTION TECH CO LTD