Aerodynamic Characteristics and Fractional Composition of the Flask Dust

At construction industry enterprises, in particular at plants manufacturing coloured calcium silicate bricks, aerosols and fine dusts of raw materials are formed in the course of various processes of grinding, transporting, mixing, pouring etc. They are characterized by a high degree of dispersion and high concentration in working zone air and exceed the Maximum Permissible Concentrations by several times. One of the most significant reasons for increased dust amount in the air of working zones of industrial shops is the presence of locations of dust wastes storage. For the purpose of complete evaluation of dust conditions inside an industrial shop for components mixing for coloured calcium silicate bricks, it is necessary to investigate the dispersion process and the aerodynamic properties of the finest dust – colour pigment. The authors have conducted experimental investigations of the aerodynamic properties of colour pigment for calcium silicate bricks and formulated the conclusions.

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Experimental investigation of aerodynamic properties of colour pigment for calcium silicate bricks

Klimenti

Khorzova

Azarov

et al. 2019

IOP Conf. Ser.: Earth Environ. Sci.

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Improvement of dedusting efficiency of technological equipment for manufacturing of coloured calcium silicate bricks

Klimenti

Khorzova

Azarov

et al. 2019

IOP Conf. Ser.: Earth Environ. Sci.

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The key factors for obtaining coloured calcium silicate bricks is the high degree of dispersion and precise dosage of the colouring matter, as well as its uniform distribution in the silicate mixture. Dust particles of a colour pigment pose the most harmful effect on the health of workers at the industrial shop. In the course of components mixing, a large amount of dust from sand, lime and pigment is released into the working zone air since the process of components mixing implies materials pouring while proportioning as well as vigorous mechanical mixing. For the purpose of the quantitative and qualitative analysis of the working zone air contamination in a components mixing shops, it is necessary to investigate the dust conditions at the shop, the particle size distribution of the mixture components, the concentration of hazardous substances in the working zone air, the aerodynamic properties of dust.

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Aerodynamic Characteristics and Fractional Composition of the Flask Dust

Cited by 2 publications

References 1 publication

Experimental investigation of aerodynamic properties of colour pigment for calcium silicate bricks

Experimental investigation of aerodynamic properties of colour pigment for calcium silicate bricks

Improvement of dedusting efficiency of technological equipment for manufacturing of coloured calcium silicate bricks

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