Issue 1(45), 2017

DOI 10.21440/2307-2091-2017-1-68-71

Fireproof cleaning of tanks from oil sediments pdf

S. R. Rasulov

Cleaning of tanks from sediments is dangerous and labour-consuming work. Various methods and technological schemes can be applied for it. The results of the investigations of improvement of cleaning technology of oil tanks are shown in the work. The applied technology of cleaning of oil tanks is based on the use of oil diluter containing 0,001 % mass quantity АП-ЛЗУ-1 antistatic additives. The tests showed high efficiency of developed cleaning method. For chemical-mechanized cleaning of tankers, barges, tanks and other reservoirs from various oil products residues washing agents presenting compositions of synthetical surface-active substances with electrolyte additives have been developed. The recommended method of removal of oil absorbed nonorganic sediment from oil reservoirs allows to exclude manual labour, reduce danger of formation of explosive and toxic atmosphere, create conditions providing full relaxation of statistic electricity charges in cleaning works, and also to exclude damages of the equipment which are used in mechanical cleaning. The given cleaning technology of oil tanks from bottom sediments has been recommended to industrial implementation. The suggested technology won’t influence negatively on the demineralization quality if quantity of mixed solvent doesn’t exceed 5–7 % the quantity of fresh oil received by the plant. The suggested method was tested in the process of cleaning of 5000 m3 (PBC-5000) capacity vertical steel tank from bottom
sediments with 0,000 % mass antistatic additive oil in Dubendi transfer oil farm of main oil pipelines PA.

Keywords: tanks; vapour; oil products; bottom sediments; steaming; electrization; antistatic additives.



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