Antirust attapulgite drier

Abstract

The invention discloses an antirust attapulgite drier which is characterized by comprising an antirust agent and an attapulgite drier, wherein the weight percentage of the antirust agent is 5-30%; theattapulgite drier is composed of silicon dioxide, calcium oxide, magnesium oxide, aluminum oxide and iron oxide; the formula of the attapulgite drier comprises the following components by mass percent: 50-70% of silicon dioxide, 5-25% of calcium oxide, 3-15% of magnesium oxide, 5-11% of aluminum oxide and 0.2-0.5% of iron oxide; and the formula of the antirust agent comprises the following components by mass percent: 13-55% of magnesium oxide, 9-24% of attapulgite, 12-35% of iron powder and 0.3-12% of carbon powder. The antirust attapulgite drier is prepared in the manner of mixing and refining the antirust agent and the attapulgite drier, has gasifying antirust property and moisture absorption of the drier and can overcome the defect of only a drying function of the ordinary drier.

Description

technical field [0001] The invention belongs to the technical field of desiccant, in particular to an attapulgite antirust desiccant. Background technique [0002] Desiccant is the most commonly used material for industrial and civil moisture-proof packaging. The existing desiccant products include (1) Silica gel desiccant: the main component is silica, which is purified and processed from natural minerals into granular or beaded. (2) Living ore desiccant: the appearance is a gray ball, and calcium chloride is added to the clay to improve the hygroscopicity. It is most suitable for moisture absorption in an environment below 50°C. When the temperature is higher than 50°C, the degree of "water release" of clay is greater than the degree of "water absorption". (3) Molecular sieve desiccant: It is a synthetic desiccant product with strong adsorption to water molecules. The pore size of the molecular sieve can be controlled by different processing techniques. In addition to ad...

AI Technical Summary

Problems solved by technology

But low moisture absorption, poor environmental protection (non-degradable)

(4) Montmorillonite desiccant: also known as bentonite, bentonite, clay that has been heated, dried, and crushed. Its main features are non-toxic and degradable, but its hygroscopicity is lower than that of silica gel desiccant.

(5) Fiber desiccant: Hengyuan fiber desiccant is made of pure natural plant fiber through special process. Although the product has high safety, the processing is complicated and costly

Although its moisture absorption rate in fiber desiccants can reach about 100%, the cost is relatively high

In recent years, with the rapid development of science and technology, the performance requirements of mineral desiccants for metal parts are getting higher and higher. At present, the mineral desiccants used for metal parts on the market have poor hygroscopicity and poor drying performance. Shortcomings cause metal parts to corrode and rust easily, which cannot meet market demand