Method for absorbing paint mist by utilizing nanometer calcium carbonate

Abstract

The invention relates to a method for absorbing paint mist by utilizing nanometer calcium carbonate. The method comprises the following steps: firstly preparing the nanometer calcium carbonate into a required nanometer calcium carbonate forming body; then placing nanometer calcium carbonate forming body in the paint mist environment after the nanometer calcium carbonate forming body is sealed, placing a concentration meter in the paint mist environment at the same time and measuring the initial concentration of the paint mist; opening the sealed forming body, observing the read number of the concentration meter during the opening period and judging whether the absorption of the paint mist by the nanometer calcium carbonate has reached saturation or not or whether the nanometer calcium carbonate forming body needs to be replaced or not according to the read number of the concentration meter. The method has the advantages that the huge specific surface area and the excellent absorption capability of the nanometer calcium carbonate are fully utilized to capture the paint mist; meanwhile, after being retreated, the nanometer calcium carbonate after absorbing the paint mist can be taken as an additive to be applied to coating, so that the cost is greatly saved; the nanometer calcium carbonate has good long-term sustainability, and the shape of the nanometer calcium carbonate is easy to process when the nanometer calcium carbonate is used as the forming body, therefore, the nanometer calcium carbonate is suitable for mass production and application.

Description

technical field [0001] The invention relates to a method for absorbing paint mist, in particular to a method for utilizing nanometer calcium carbonate to absorb paint mist. Background technique [0002] In the field of automobile spraying, the paint mist generated after automobile spraying is traditionally treated by wet spraying technology. This technology mainly uses liquid substances (such as water, oil, organic solution or inorganic solution) to capture the paint mist and dissolve it in liquid before processing. However, using this method requires a large amount of energy consumption, high operating costs, and serious pollution in the work area, which cannot meet environmental protection requirements. Moreover, this method has poor processing ability for paint mist, and the paint mist needs to be reprocessed after being captured and dissolved, and the process is complex and difficult to recycle. [0003] At present, many automobile production lines begin to use dry spr...

AI Technical Summary

Problems solved by technology

However, activated carbon has a limited service life and needs to be replaced frequently to maintain its effective adsorption capacity for spray, which greatly increases the cost

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