Low-temperature deicing means

Abstract

Low-temperature deicing means belongs to area of winter maintenance of buildings and constructions, can be applied to winter maintenance of highways, various open surfaces subject to influence or different types of manifestations of low temperatures. The objective is reached by that in deicing means containing granules from chlorides, each of granules is executed in the form of pressed mix of chloride calcium and chloride of potassium, at a volume ratio in a granule of chloride potassium and chloride calcium from 2:1 to 4:1, thus between particles of chloride potassium and chloride calcium connecting layer from calcium chloride crystalline hydrate is placed. Thus in a granule volume of chloride potassium makes 45-85%, the volume of waterless chloride calcium of 25-45%, thickness of a connecting layer from calcium chloride crystalline hydrate - 0,01-0,1 mm, and size of a granule makes 2-7 mm. The declared set of signs allows to expand the range of effective application of protigololedny means, to provide its reduction in cost and efficiency of application as a component of deicing material of chloride potassium extracted on a place. The reached efficiency was expressed in expansion of temperature of application in range from 0° to -10°C in comparison with application temperature (as main component) chloride calcium (from -10°C and below). Besides, declared deicing means allows to reduce cost of production of PGM developed from local raw materials by 20-40%.