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Deoxidizing and drying agent and preparation method thereof

A technology of desiccant and bentonite, which is applied in the field of deoxidizing desiccant and its preparation, can solve the problems of few functions, high cost, short validity period, etc., and achieve the effects of good effect, cost reduction and long shelf life

Inactive Publication Date: 2014-04-16
广西弘耀祥科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Aiming at the problems of high cost, few functions and short effective period of the existing deoxidizing desiccant, the present invention provides a deoxidizing desiccant with low price, long effective period and strong coupling deoxidizing drying ability, and provides a corresponding preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Formula: 45 parts of bentonite, 15 parts of attapulgite, 10 parts of bamboo charcoal powder, 5 parts of refined iron powder, 0.03 part of calcium chloride and 0.03 part of calcium propionate.

[0043] The preparation method comprises the following steps:

[0044] Crush bentonite and attapulgite raw ore, and pass through 50-mesh screening, wind transport to the pulping equipment, stir for 3 hours and then add it to the hydraulic suspender, screen the high-quality bentonite emulsion through the overflow suspension, and enter the filter press equipment Form rods, cut into slices with a microtome, and then bake at low temperature (250° C.) for 1 hour, and grind them into powder for later use. The prepared bentonite and attapulgite mineral powder, bamboo charcoal powder, refined iron powder, calcium chloride and calcium propionate are mixed and granulated according to the above ratio, dried and cooled under vacuum conditions, sealed and packed in vacuum.

[0045] The indica...

Embodiment 2

[0048] Formula: 30 parts of bentonite, 25 parts of attapulgite, 5 parts of bamboo charcoal powder, 5 parts of refined iron powder, 3 parts of activated manganese, 5 parts of quicklime, 0.3 part of calcium chloride and 0.5 part of calcium propionate.

[0049] Crush bentonite and attapulgite raw ore, and pass through 50-mesh screening, wind transport to the pulping equipment, stir for 4 hours and then add it to the hydraulic suspender, screen the high-quality bentonite emulsion through the overflow suspension, and enter the filter press equipment Form rods, cut into slices with a microtome, then bake at a low temperature (350° C.) for 1 hour, and grind it into powder for later use. The prepared bentonite and attapulgite mineral powder, bamboo charcoal powder, refined iron powder, calcium chloride and calcium propionate are mixed and granulated according to the above ratio, dried and cooled under vacuum conditions, sealed and packed in vacuum.

[0050] The indicators of the obtai...

Embodiment 3

[0053] Formula: 50 parts of bentonite, 15 parts of attapulgite, 10 parts of bamboo charcoal powder, 10 parts of refined iron powder, 5 parts of activated manganese, 5 parts of quicklime, 0.5 parts of calcium chloride and 0.5 parts of calcium propionate.

[0054] Crush bentonite and attapulgite raw ore, and pass through 50-mesh screening, wind transport to the pulping equipment, stir for 4 hours and then add it to the hydraulic suspender, screen the high-quality bentonite emulsion through the overflow suspension, and enter the filter press equipment Form rods, cut into slices with a microtome, then bake at a low temperature (350° C.) for 1 hour, and grind it into powder for later use. The prepared bentonite and attapulgite mineral powder, bamboo charcoal powder, refined iron powder, calcium chloride and calcium propionate are mixed and granulated according to the above ratio, dried and cooled under vacuum conditions, sealed and packed in vacuum.

[0055] The indicators of the o...

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Abstract

The invention discloses a deoxidizing and drying agent which comprises the following components in parts by weight: 10-60 parts of bentonite, 10-40 parts of attapulgite, 1-20 parts of bamboo charcoal powder, 1-20 parts of fine iron powder, 1-10 parts of refined manganese dioxide, 1-10 parts of quicklime, 0.01-1 part of calcium chloride and 0.01-1 part of calcium propionate. The invention also discloses a preparation method of the deoxidizing and drying agent. The deoxidizing and drying agent can be widely used in the fields of medical health-care products, instruments and equipment, food, feed and other industries, and has the all-inclusive deoxidizing and drying effects of removing heavy metals, harmful or smelly gas, bacteria and the like; and the deoxidizing and drying agent has the advantages of cheap and accessible raw materials, simple preparation technique and long effective period, has very broad market prospects and is suitable for large-scale popularization and application.

Description

technical field [0001] The invention belongs to the technical field of deoxidizing desiccants, and relates to a deoxidizing 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. [0003] At present, the most common ones in China are porous silica gel desiccant. Silica gel desiccant is a kind of highly active adsorption material. The main component is silicon dioxide. It is usually reacted with sodium silicate and sulfuric acid, and undergoes a series of post-...

Claims

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Application Information

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IPC IPC(8): B01D53/28B01J20/20
Inventor 陶靖林国友黄南概谢美萱张娜柳春阮付贤倪海明
Owner 广西弘耀祥科技有限公司
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