| you are: Economic indicators of colouring and drying
Operation of various installations and the equipment is connected with the expense of various kinds of energy.
At colouring okunaniem the electric power for the pumps mixing a paint, and for ventilating devices is required.
At colouring by pneumatic dispersion the electric power is necessary for ventilating devices, pumps and fixtures. So, for example, capacity of installations of the chamber for colouring of platforms of motor vehicles makes 10-15 Siberian salmons, and chambers for colouring of threshers of a combine - of 30-40 Siberian salmons. In raspylitelnyh chambers for clearing of air and catching of a colourful dust it is spent 0,3 1,0 m3/ch waters for one hydrofilter; the expense of compressed air on one spray averages 10 15 m3/ch.
At colouring in electric field capacity of installations of the chamber for colouring of products in the size to 1,0 H 1,0 H 0,5 m make 7,5-7,8 Siberian salmons; for clearing of air water is not spent.
Profitability of painting works is connected with a correct choice of a method of colouring.
Technological methods, area of their application, merits and demerits are described in gl III.
Introduction of new ways economically justifies itself only at the certain sizes of manufacture, especially, if it is connected with the big expenses for the equipment; so, for example, introduction of vacuum dispersion with heating instead of colouring by a brush or pneumatic dispersion is effective at the annual expense of materials not less than 20-30 t; colouring in electric field (instead of pneumatic dispersion or okunanija) is economically effective at the annual expense of materials 25-30 t for products of a simple configuration and 110-15 g for products of a difficult configuration.
Colouring by douche with the subsequent endurance in steams of solvent instead of pneumatic dispersion is economically effective at the expense 50-60 g in a year, and instead of okunanija - at the expense of materials 100-150 t in a year.
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