A drying agent and a preparing method thereof

Abstract

A drying agent is disclosed. Raw materials of the drying agent include, by weight, 20-40 parts of bentonite, 20-40 parts of attapulgite, 10-20 parts of montmorillonite, 8-17 parts of plant starch, 5-10 parts of super absorbent resin, 15-25 parts of calcium chloride, 1-2 pars of waste scrap iron, 6-13 parts of modified laumontite, and 2-3 parts of a sterilizing agent. The drying agent is nontoxic,odorless, non-corrosive, stable in chemical performance, stable in quality, and good in application effects after regeneration, a preparing process is simple and a preparing cost is low.

Description

technical field [0001] The invention belongs to the technical field of drying equipment, and in particular relates to a desiccant and a preparation method thereof. Background technique [0002] A desiccant is a dehydrating agent that absorbs moisture from the atmosphere. It physically absorbs water molecules in its own structure or chemically absorbs water molecules and changes its chemical structure to become another substance. It is suitable for preventing moisture in instruments, meters, electrical equipment, medicines, food, textiles and other various packaging items. During transportation, goods are often affected by moisture and deteriorate due to high temperature, and electronic products are also prone to metal oxidation, resulting in poor performance. The use of desiccant is to avoid the occurrence of poor product quality caused by excess moisture. [0003] At present, silica gel desiccant, acid, alkaline desiccant and molecular sieve desiccant are widely used in t...

AI Technical Summary

Problems solved by technology

Silica gel desiccant is usually prepared by reacting sodium silicate and sulfuric acid, and undergoing a series of treatments such as aging and acid soaking. The raw materials are dangerous goods, and the process is relatively complicated.

Acid and alkaline desiccants generally have relatively large water absorption capacity and relatively fast drying speed, but most of them cannot be recycled

Molecular sieve desiccant is a synthetic desiccant product with strong adsorption to water molecules. It is a crystalline aluminosilicate compound. Its crystal structure has regular and uniform pores, and the pore diameter is on the order of molecular size. Its preparation process is relatively complicated, and its use effect is also limited.