Military mildew-proof and anti-oxidation high moisture absorption desiccant and preparation method thereof

An anti-oxidation, high moisture absorption technology, applied in chemical instruments and methods, separation methods, other chemical processes, etc., can solve the problems of poor adsorption effect of desiccant, weak anti-oxidation ability, low hygroscopicity, etc., and achieve the suppression of water spit phenomenon , Improve the absorption capacity, improve the effect of water absorption

Inactive Publication Date: 2018-12-04
中国人民解放军海军航空大学青岛校区
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the defects of the prior art, the object of the present invention is to solve the problem of poor adsorption effect, weak anti-oxidation ability, Low hygroscopicity and easy backwater technical problems

Method used

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  • Military mildew-proof and anti-oxidation high moisture absorption desiccant and preparation method thereof
  • Military mildew-proof and anti-oxidation high moisture absorption desiccant and preparation method thereof
  • Military mildew-proof and anti-oxidation high moisture absorption desiccant and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A military anti-mildew and anti-oxidation highly hygroscopic desiccant, comprising the following components in parts by weight: 23 parts of montmorillonite; 27 parts of attapulgite; 5 parts of microsphere silica gel; 4 parts of lemon peel powder; chitosan 0.5 parts; pomelo peel powder 8 parts; calcium chloride 14 parts; sodium carboxymethyl cellulose 5 parts; scrap iron slag 3 parts; activated manganese slag 4 parts; antifungal agent 2 parts.

[0036] The preparation method of the lemon peel powder is as follows: soak the cleaned lemon peel in 0.6wt% citric acid aqueous solution for 0.5h, then take it out and drain; then pre-dry the drained lemon peel under hot air at 45°C for 0.5h , and then vacuum-dried at 40° C. for 3 hours to control its water content to be less than 20 percent; crush the dried lemon peel and pass through a 200-mesh sieve to obtain the lemon peel powder.

[0037] The preparation method of the pomelo peel powder is as follows: dry the cleaned pomelo ...

Embodiment 2

[0047] A military anti-mildew and anti-oxidation highly hygroscopic desiccant, comprising the following components in parts by weight: 20 parts of montmorillonite; 30 parts of attapulgite; 8 parts of microsphere silica gel; 3 parts of lemon peel powder; chitosan 1 part; 6 parts of pomelo peel powder; 15 parts of calcium chloride; 8 parts of sodium carboxymethyl cellulose; 5 parts of scrap iron slag; 3 parts of activated manganese slag;

[0048] The preparation method of the lemon peel powder is as follows: the cleaned lemon peel is soaked in 0.8wt% citric acid aqueous solution for 2 hours, then taken out and drained; then the drained lemon peel is pre-dried under hot air at 55° C. Vacuum drying at 50° C. for 5 hours, controlling the water content to be less than 20 percent; pulverizing the dried lemon peel and passing through a 200-mesh sieve to obtain the lemon peel powder.

[0049] The preparation method of the pomelo peel powder is as follows: dry the cleaned pomelo peel un...

Embodiment 3

[0059] A military anti-mildew and anti-oxidation highly hygroscopic desiccant, comprising the following components in parts by weight: 30 parts of montmorillonite; 20 parts of attapulgite; 10 parts of microsphere silica gel; 5 parts of lemon peel powder; chitosan 0.8 parts; 5 parts pomelo peel powder; 10 parts calcium chloride; 6 parts sodium carboxymethyl cellulose; 3 parts scrap iron slag; 5 parts activated manganese slag; 3 parts fungicide.

[0060] The preparation method of the lemon peel powder is as follows: soak the cleaned lemon peel in 0.7wt% citric acid aqueous solution for 1 hour, then take it out and drain; then pre-dry the drained lemon peel under hot air at 50° C. Vacuum-dry at 50° C. for 4 hours, and control the water content to be less than 20%. The dried lemon peel is pulverized and passed through a 200-mesh sieve to obtain the lemon peel powder.

[0061] The preparation method of the pomelo peel powder is as follows: dry the cleaned pomelo peel under hot air ...

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Abstract

The invention discloses a military mildew-proof and anti-oxidation high moisture absorption desiccant, which comprises the following components by weight: 20-30 parts of montmorillonite; 20-30 parts of attapulgite; 5-10 parts of microsphere silica gel; 3-5 parts of lemon peel powder; 0.5-1 part of chitosan; 5-8 parts of pomelo peel powder; 10-15 parts of calcium chloride; and 5-8 parts of sodium carboxymethyl cellulose. The desiccant provided by the invention has the characteristics of fast drying speed, good moisture absorption effect, strong moisture absorption capacity and difficult re-damping, excellent oxidation resistance and mildew-proof and bacteriostatic functions, and is suitable for use on warships in high humidity and high salt sea surface environment.

Description

technical field [0001] The invention belongs to the technical field of military equipment drying, and in particular relates to a military anti-mildew and anti-oxidation highly hygroscopic desiccant and a preparation method thereof. Background technique [0002] Desiccant is also called adsorbent, which is used in moisture-proof and mildew-proof, and plays a drying role. According to the adsorption method and reaction product, it can be divided into physical adsorption desiccant and chemical adsorption desiccant. Physical adsorption desiccants include silica gel, alumina gel, molecular sieve, activated carbon, bone charcoal, charcoal, mineral desiccant, or activated clay, etc. Its drying principle is to physically adsorb water molecules in its own structure. Use the desiccant to absorb the moisture in the bagged items, keep the items relatively dry for a long time, regulate the moisture conditions of microbial survival, chemical reactions, photolysis reactions and enzymatic r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/24B01D53/28
CPCB01D53/28B01J20/046B01J20/103B01J20/12B01J20/22B01J20/24
Inventor 郭峰孙伟奇王晶晶史玉敏郭香星
Owner 中国人民解放军海军航空大学青岛校区
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