Coal dust inhibitor of rapid infiltration type and preparation method thereof

Abstract

The invention discloses a coal dust inhibitor of rapid infiltration type and a preparation method thereof. The coal dust inhibitor is characterized by comprising, by weight percentage, 0.5-5 parts of PVA (polyvinyl alcohol), 0.1-5 parts of CMC (carboxymethyl cellulose), 0.3-3 parts of glycerin, 0.1-2 parts of a nonionic surfactant, and 85-99 parts of tap water. The preparation method is characterized by comprising the steps of: first completely dissolving the PVA with hot water at 90-100 DEG C, and completely dissolving the CMC with warm water at 30-40 DEG C; and then mixing the two aqueous solutions, adding the glycerin and the nonionic surfactant, and stirring. The coal dust inhibitor of rapid infiltration type provided by the present invention has no toxicity or pollution nuisance, easily available raw materials, low cost, convenience for usage and preparation, rapid penetration, fast film forming, thick and tough film, and good dust suppression effect, and can be applied to a variety of circumstances causing dust in processes, such as mining, transportation, storage and usage of coal.

Description

technical field [0001] The invention relates to a dust inhibitor and a preparation method, in particular to a quick-penetrating coal dust inhibitor and a preparation method, and belongs to the technical fields of saving coal resources, protecting and controlling the atmospheric environment, and the like. Background technique [0002] Fossil energy is currently the most important energy consumed in the world. In 2006, the proportion of fossil energy in the energy consumed in the world was as high as 87.9%, and the proportion in my country was as high as 93.8%. However, with the continuous mining of human beings, the depletion of fossil energy is inevitable, and most of the fossil energy will be almost mined in this century. Energy issues have attracted more and more attention from the Chinese government. Coal is one of the three major non-renewable fossil energy sources on the earth. Although my country's coal reserves are relatively abundant, in the medium and long term, the...

AI Technical Summary

Problems solved by technology

Physical covering is to directly cover materials with tarpaulins, thatch nets, etc. to avoid wind loss. This method is inconvenient to operate, time-consuming, laborious, and costly

Although surface sprinkling is easy to operate and low in cost, its effective dust suppression period is short and the effect is poor

Spraying dust suppressants on dust surfaces has become the first choice for people to control solid dust, but the existing formulations of dust suppressants have more or less shortcomings, such as poor wind resistance and short effective dust suppression period , slow penetration, long consolidation time, etc.

Patent CN 101003721 discloses a wetting type dust suppressant and its preparation method. Wetting type dust suppressant is generally poor in wind resistance, and the effective content of the dust suppressant is too low, so whether it is the product Dust effect and validity period are short, only suitable for short-term dust suppression occasions

Patents CN 100537696 and CN 101508884 respectively disclose two kinds of consolidated dust suppression agents and preparation methods based on high molecular polymers and polyhydroxy macromolecular compounds. The dust suppression effect and validity period of the two are better than those of the previous patent. Improvement, but its disadvantage is that the product has poor permeability and the curing time after film formation is too long