Chemical gas regulating agent and preparation method thereof

A gas-conditioning agent and chemical technology, applied in the field of chemical gas-conditioning agent and its preparation, can solve the problems of deoxidizer agglomeration, affecting deoxidation ability, poor fluidity, etc.

Inactive Publication Date: 2015-03-18
湖南华望熏蒸消毒有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] That is to say, the iron-based deoxidizer will continuously absorb water during the deoxidation process. Finally, as the deoxidation time advances, the deoxidizer itself will agglomerate seriously, resulting in poor fluidity and further affecting the deoxidation ability.

Method used

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  • Chemical gas regulating agent and preparation method thereof

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Embodiment 1

[0031] This embodiment provides a chemical air conditioning agent, which includes an inner core and a shell disposed outside the inner core, the inner core is a deoxidizer, and the outer shell includes a catalyst capable of catalyzing the deoxidizing reaction of the deoxidizer and a binder. In the chemical air conditioning agent, the inner core deoxidizer chemically reacts with oxygen, thereby deoxidizing. The catalyst in the chemical atmosphere control agent can catalyze the deoxidation of the deoxidizer. In order to form the core-shell structure of the chemical atmosphere control agent, the catalyst needs to be placed on the outer layer of the core deoxidizer to form a shell, but there is no stickiness between the catalyst and the deoxidizer. Therefore, it is necessary to bond the catalyst to the outer layer of the core deoxidizer through an adhesive, so that the shell provided outside the core deoxidizer includes a catalyst and a binder. The shell including the catalyst and ...

Embodiment 2

[0037] Such as figure 1 As shown, this embodiment provides a chemical atmosphere control agent, which includes an inner core 1 and a shell 2 disposed outside the inner core 1, and the particle size of the chemical atmosphere control agent is 80 mesh sieve particles.

[0038] The inner core 1 is iron powder as a deoxidizer, and the outer shell 2 includes a catalyst lithium chloride capable of catalyzing the deoxidizing reaction of the deoxidizer, and a binder sodium alginate. The mass of the catalyst lithium chloride accounts for 0.001% of the mass of the chemical air conditioning agent, and the mass of the binder sodium alginate accounts for 0.1% of the mass of the chemical air conditioning agent.

[0039] This embodiment also provides a method for preparing a chemical atmosphere control agent, including the following steps:

[0040] Put the deoxidizer iron powder into the fluidized bed so that the inlet air temperature of the deoxidizer iron powder in the fluidized state is 45℃, th...

Embodiment 3

[0045] The present embodiment provides a chemical air conditioning agent, which includes an inner core and a shell arranged outside the inner core, and the particle size of the chemical air conditioning agent is particles passing a 200 mesh sieve.

[0046] The inner core is a mixture of zinc powder as a deoxidizer and copper powder as a deoxidizer (the mass ratio of zinc powder to copper powder is 1:1), and the outer shell includes a catalyst sodium nitrate capable of catalyzing the deoxidizer to undergo deoxidation reaction, and viscous Binder carboxymethyl cellulose and binder hydroxymethyl cellulose (the mass ratio of carboxymethyl cellulose and hydroxymethyl cellulose is 3:4). The mass of the catalyst sodium nitrate accounts for 10% of the mass of the chemical air conditioning agent, and the mass of the binder carboxymethyl cellulose and the binder hydroxymethyl cellulose accounts for 15% of the mass of the chemical air conditioning agent.

[0047] This embodiment also provides...

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Abstract

The invention discloses a chemical gas regulating agent and a preparation method thereof. The chemical gas regulating agent comprises inner cores and outer shells arranged outside the inner cores, wherein each inner core is deoxidizing agent, each outer shell comprises a catalyst capable of catalyzing the deoxidizing agent to carry out deoxidation reaction and a binder. No direct contact is caused among different inner cores constituting the chemical gas regulating agent due to the chemical gas regulating agent with the structure; one part of inner cores are reacted firstly when the chemical gas regulating agent is subjected to deoxidation, the inner core deoxidizing agents which are subjected to deoxidation reaction firstly cannot contact the inner core deoxidizing agents which are not subjected to deoxidation reaction due to the protection effect of the outer shells, the chemical gas regulating agent can be prevented from caking, the service life of the chemical gas regulating agent is prolonged and the deoxidation efficiency is improved.

Description

Technical field [0001] The invention belongs to the technical field of air purification, and specifically relates to a chemical air conditioning agent and a preparation method thereof. Background technique [0002] In 1925, HAMaude and others used iron powder, ferrous sulfate and moisture absorbents to prevent fires and explosions in transformers and other equipment. Since deoxidizers have developed inorganic deoxidizers (such as iron-based deoxidizers, sulfite-based deoxidizers) ) And organic deoxidizers (such as ascorbic acid, oxidative mold deoxidizers, unsaturated fatty acid deoxidizers). Among them, the iron-based deoxidizer, which uses iron powder as the main oxygen-absorbing component among the inorganic deoxidizers, is stored in grains, dried fruits, tea, and Chinese medicinal materials because of its easy-to-obtain raw material sources, low cost, and relatively high deoxidation efficiency. The field is widely used. For example, the patent CN90100536.3 discloses a deoxi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/86B01D53/46B01J13/02
Inventor 刘小清沈桃云刘师伟刘胜祥
Owner 湖南华望熏蒸消毒有限公司
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