Fluorite mineral carbonate inhibiting agent and preparation method thereof

Abstract

The invention discloses a fluorite mineral carbonate inhibiting agent and a preparation method thereof. The inhibiting agent consists of acid, sodium silicate, aluminum sulfate and a vegetable tannin extract, wherein the acid is one or more of sulfuric acid, hydrochloric acid, nitric acid, oxalic acid, carbolic acid, and the inhibiting agent comprises the following components in percentage by weight: 1 percent of the acid, 1 to 4 percent of the sodium silicate, 0.03 to 0.08 percent of the aluminum sulfate and 0.01 to 0.05 percent of the vegetable tannin extract. The preparation method comprises the following steps of: weighting the components by weight; preparing acid solution by using the acid and water in a mass ratio of 1:9-10; preparing sodium silicate solution by using the sodium silicate and the water in a mass ratio of 1:9-10; adding the sodium silicate solution into the acid solution under a stirring condition to form acidic sodium silicate; and adding the aluminum sulfate and the vegetable tannin extract into the acidic sodium silicate in turn, and stirring the mixture until the aluminum sulfate and the vegetable tannin extract are fully dissolved. The fluorite mineral carbonate inhibiting agent has the advantages of good inhibition effect, stable performance, small dosage, low cost, wide application range and simple preparation process.

Description

Technical field [0001] The invention relates to a fluorite ore carbonate inhibitor and a preparation method thereof. Background technique [0002] The main components of quartz fluorite ore are quartz and fluorite. When sorting quartz fluorite ore with relatively low carbonate content, saline water glass is traditionally used as an inhibitor. Said saline water glass is prepared by adding a certain amount of inorganic salt and organic medicament to sodium silicate solution. The inorganic salt is one or more of soda ash, caustic soda, aluminum sulfate, magnesium carbonate, ferrous sulfate, zinc sulfate, and cesium carbonate. The organic agent is one or both of polyacrylamine and starch. The main disadvantage of saline water glass is: the inhibitory effect on carbonate is very limited, generally only suitable for ores with a carbonate content of less than 1% in fluorite raw ore, and for those with a carbonate weight content greater than 1%, its The suppression effect is ver...

AI Technical Summary

Problems solved by technology

The main disadvantage of saline water glass is: the inhibitory effect on carbonate is very limited, generally only suitable for ores with a carbonate content of less than 1% in fluorite ore, and for those with a weight content of carbonate greater than 1%, its The inhibitory effect is very unsatisfactory

After adding the sodium sulfate stabilizer in the water glass, although the stability of the acid water glass has been solved, the agent cost has been increased